Personality disorder

Short description: Maladaptive patterns of behavior, cognition, and inner experience

Personality disorder

Specialty| Psychiatry, clinical psychology
Symptoms| Persistent patterns of thinking, feeling, and behaving that cause significant distress or impairment, often including difficulties with self-identity, interpersonal relationships, emotional regulation, and enduring maladaptive personality traits.
Usual onset| Adolescence or early adulthood
Duration| Long term
Types| See § Classification
Causes| Genetic, neurobiologic and psychosocial theories proposed
Differential diagnosis| Personality difficulty, conduct-dissocial disorder, secondary personality change, autism spectrum disorder, complex post-traumatic stress disorder, cyclothymic disorder, dissociative identity disorder, dysthymic disorder, obsessive–compulsive disorder, schizotypal disorder, separation anxiety disorder, disorders due to substance use[1]
Treatment| Psychotherapy
Personality disorders

Cluster A (odd)

* Paranoid
* Schizoid
* Schizotypal

Cluster B (dramatic)

* Antisocial
* Borderline
* Histrionic
* Narcissistic

Cluster C (anxious)

* Avoidant
* Dependent
* Obsessive–compulsive

Not specified

* Depressive
* Haltlose
* Passive–aggressive
* Sadistic
* Self-defeating
* Psychopathic

* v
* t
* e

A personality disorder (PD) is a mental disorder characterized by an enduring and pervasive maladaptive pattern of behavior, emotions, cognition, and inner experience, deviating from social norms.[2][3] As a common feature, this manifests in significant impairment in interpersonal relationships and various aspects of functioning of the self, such as self-concept,[4] in conjunction with pathological personality traits.[5] These patterns develop early, are inflexible, and are associated with significant distress or disability.[3]

There are both dimensional and categorical approaches to the classification of personality disorders, with the former being implemented in the International Classification of Diseases (ICD), whereas the main model in the Diagnostic and Statistical Manual of Mental Disorders (DSM) is categorical;[3] moreover, the Alternative DSM-5 model for personality disorders (AMPD) combines the two into a hybrid model.[6] In accordance with the categorical approach, personality disorders are viewed as distinct types, such as avoidant or narcissistic; on the other hand, the dimensional systems employed in the ICD-11 and AMPD rate severity and pathological traits.[6]

For psychiatric patients, the prevalence of personality disorders is estimated between 40 and 60%.[7][8][9] The behavior patterns of personality disorders are typically recognized by adolescence, the beginning of adulthood or sometimes even childhood and often have a pervasive negative impact on the quality of life.[2][10][11]

Treatment for personality disorders is primarily psychotherapeutic. Evidence-based psychotherapies for personality disorders include cognitive behavioral therapy and dialectical behavior therapy, especially for borderline personality disorder.[12][13] A variety of psychoanalytic approaches are also used.[14] Personality disorders are associated with considerable stigma in popular and clinical discourse alike.[15] Despite various methodological schemas designed to categorize personality disorders, many issues occur with classifying a personality disorder because the theory and diagnosis of such disorders occur within prevailing cultural expectations; thus, their validity is contested by some experts on the basis of inevitable subjectivity. They argue that the theory and diagnosis of personality disorders are based strictly on social, or even sociopolitical and economic considerations.[16] The definitions vary by source and remain a matter of controversy.[17][18][19]

## Contents

* 1 Classification
* 1.1 DSM-5
* 1.2 DSM-5 Alternative model
* 1.3 ICD-11
* 1.4 Other and historical classifications
* 2 Signs and symptoms
* 2.1 Functioning of the self
* 2.2 Interpersonal difficulties
* 3 Causes
* 3.1 Childhood and parenting
* 3.1.1 Abuse and neglect
* 3.1.2 Parenting and attachment
* 3.2 Genetic
* 3.3 Socioeconomic status
* 3.4 Neurobiological
* 4 Mechanism
* 4.1 Openness to experience
* 5 Diagnosis
* 5.1 Differential diagnosis
* 5.2 In children and adolescents
* 6 Management
* 6.1 Psychotherapy
* 6.1.1 Cognitive behavioral therapy
* 6.1.2 Dialectical behavior therapy
* 6.1.3 Other psychotherapies
* 6.2 Psychosocial
* 6.2.1 Behavioral management in childhood
* 6.3 Pharmacological
* 6.4 Challenges
* 6.4.1 Egosyntonicity
* 6.4.2 Heterogeneity
* 6.4.3 Difficulties in therapy
* 7 Prognosis
* 7.1 Occupational functioning
* 7.2 Social functioning
* 8 Epidemiology
* 8.1 Prevalence
* 8.2 Comorbidity
* 8.3 Non-PD comorbitity
* 8.4 Comorbidity among categories
* 8.5 Sex ratio
* 9 History
* 9.1 Diagnostic and Statistical Manual history
* 9.2 Before the 20th century
* 9.3 20th century
* 10 See also
* 11 References
* 12 Further reading
* 13 External links

## Classification

Main article: Medicine:Classification of personality disorders

There are two main approaches – the dimensional and the categorical – to the classification of personality disorders,[20] which occurs mainly in accordance with the International Classification of Diseases (11th revision, ICD-11) and the Diagnostic and Statistical Manual of Mental Disorders (Fifth Edition, Text Revision; DSM-5-TR). The categorical approach views personality disorders as discrete entities that are distinct from each other as well as from normal personality. In contrast, the dimensional approach to personality disorders suggests that personality disorders exist on a continuum, with traits varying in degree rather than kind.[20] The DSM-5-TR standard model is an example of the former, while the ICD-11 implements the latter.[21]

There has been a sustained movement toward replacing categorical models of personality disorder classification with dimensional approaches.[22][23] The categorical model has been criticized for not being sufficiently evidence-based;[24] for issues such as undue prevalence of comorbidity,[22][23] with the majority of people with a PD being eligible for another PD diagnosis;[25] as well as for heterogeneity within categories,[23] and stigmatization.[22] In response, dimensional models have been developed that assess personality disorders in terms of severity of impairment and maladaptive personality traits.[22] Emerging research indicates that dimensional models may have the benefit of facilitating the personalization of psychotherapy by aligning treatment strategies with underlying trait dimensions rather than diagnostic categories.[26] The shift towards a dimensional approach is reflected in the inclusion of the AMPD in Section III of the DSM-5, and in the ICD-11's adoption of a dimensional system.

### DSM-5

In the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders, a categorical classification was retained for personality disorders. Located in Section II (Diagnostic Criteria and Codes),[27] personality disorders are thus listed in the same way as other mental disorders, rather than on a separate 'axis', as previously.[28] Its ten specific personality disorders are grouped into three clusters, namely: cluster A (paranoid, schizoid, and schizotypal PD), cluster B (antisocial, borderline, histrionic, and narcissistic PD), and cluster C (avoidant, dependent, obsessive–compulsive PD).[29] It also contains three diagnoses for other personality disorders (other specified, unspecified, and personality change due to another medical condition).[30][31] The clusters are based on descriptive similarity between the disorders they encompass, and it is not proven that they possess clinical utility.[32]

### DSM-5 Alternative model

Introduced in section III of the DSM-5, the Alternative DSM-5 Model for Personality Disorders (AMPD) is a dimensional–categorical hybrid,[33] yielding diagnoses based on combinations of impairment in personality functioning (criterion A), rated across identity, self-direction, empathy and intimacy;[34] and pathological personality traits (criterion B) from the following trait domains: Negative Affectivity, Detachment, Antagonism, Disinhibition, and Psychoticism.[35] The AMPD includes six specific personality disorders, which are defined by specific combinations of criteria A and B;[24] these are: antisocial, avoidant, borderline, narcissistic, obsessive-compulsive, and schizotypal.[36] There is also a diagnosis of personality disorder–trait specified available for cases not matching the aforementioned categories.[27] Created with the aim of ameliorating issues such as arbitrary thresholds and excessive comorbidity,[33] the AMPD was intended to replace the categorical model in the at the time upcoming DSM-5; however, upon its rejection, it was instead placed in Section III (Emerging Measures and Models).[37]

### ICD-11

Example of personality disorder classification in the ICD-11

The ICD-11 classification of personality disorders is an implementation of a dimensional model,[21] classifying a unified personality disorder (6D10) as mild, moderate, severe, or severity unspecified;[21] this being determined by the level of distress experienced and degree of impairment in day-to-day activities as a result of difficulties in aspects of self-functioning (e.g., identity, self-worth and agency) and interpersonal relationships (e.g., desire and ability for close relationships and ability to handle conflicts), as well as behavioral, cognitive, and emotional dysfunctions.[21][38] There is also an additional category called personality difficulty (QE50.7), which can be used to describe personality traits that are problematic, but do not meet the diagnostic criteria for a PD.[39] A personality disorder or difficulty can be specified by one or more of the following prominent personality traits or patterns (6D11): Negative affectivity, Detachment, Dissociality, Disinhibition, and Anankastia.[40] In addition to the traits, a Borderline pattern (6D11.5) – similar in nature to borderline personality disorder – may be specified.[21] In contrast to the DSM-5, the ICD-11 classifies schizotypal disorder among primary psychotic disorders rather than as a personality disorder.[41]

### Other and historical classifications

Other types of personality disorder have been included in previous versions of the diagnostic manuals but have not been retained in subsequent editions. Examples include sadistic, self-defeating (masochistic), passive–aggressive, haltlose, and immature personality disorders. As some presentations do not align with predefined categories, there are categories available for other and unspecified personality disorders in both the DSM-5-TR and preceding editions; this was also the case in the ICD-10 classification of personality disorders. Such diagnoses could be applied to the types of personality disorder which were not included as distinct categories, such as the aforementioned ones. Psychologist Theodore Millon, a researcher on personality disorders, as well as other researchers,[who?] consider some relegated diagnoses to be equally valid disorders.[42] Millon has also proposed other personality disorders or subtypes, including mixtures of aspects of different categories of the officially accepted diagnoses.[42]

## Signs and symptoms

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The central features of personality disturbance in ICD-11, as in DSM-5, are disturbances in aspects of both self and interpersonal functioning. These two main features will manifest in maladaptive patterns of cognition, emotional experience and expression and behaviour which must be evident across a range or personal and social situations. For a diagnosis, these disturbances must be enduring – so present for a minimum of two years.[40]

### Functioning of the self

Self-dysfunction may manifest as persistent difficulties in maintaining a stable sense of identity, a pervasive sense of impoverished or highly over-valued self-worth, inaccuracies in self-perception or challenges in self-direction and decision making.[40] This can lead the person to have mood-swings and act on impulses without necessarily thinking about what they are doing.[43]

### Interpersonal difficulties

Persistent difficulties in making and sustaining close relationships or in the ability to understand other people's perspectives are typical manifestations of the interpersonal dysfunction. Managing conflict in relationships may also present significant challenges.[40] The person may also develop a lack of trust and lack of emotions towards others.[43]

## Causes

Personality disorders are complex conditions influenced by a combination of genetic, environmental, and experiential factors. These disorders emerge from the interaction of multiple determinants, making the precise causes difficult to identify. Environmental factors play a significant role in the development of personality disorders. These include prenatal conditions, childhood trauma, abuse, neglect, and other adverse childhood experiences. Possible genetic and neurobiological causes have also been identified.

The causality can be categorized as follows: necessary causes, which are factors that must precede another event for it to occur but are not sufficient by themselves to cause the disorder; sufficient causes, which are capable of causing pathology on their own without requiring the presence of other factors to result in the development of a disorder; and contributory causes, which increase the likelihood of developing a disorder but are neither necessary nor sufficient on their own. Socioeconomic factors, childhood trauma, or other adverse life events may contribute to the emergence of a personality disorder but are not definitive causes.

The problem of genetic confounding is explained by psychologist Svenn Torgersen in a 2009 review:[44]

> If parents treat their children badly, and the children develop personality disorders, it does not necessarily mean that the treatment of the children is the cause of the development. An alternative explanation may be that the parents themselves have some personality disorder traits, partly due to genes. These genetically influenced traits correlate with poor parenting, explaining the genetic influence on parenting. The children inherit the genes and subsequently develop personality disorders. The personality disorders might thus have developed in any case, independent of the childhood conditions.[45]

Twin studies allow scientists to assess the influence of genes and environment, in particular, how much of the variation in a trait is attributed to the "shared environment" (influences shared by twins, such as parents and upbringing) or the "unshared environment" (measurement error, noise, differing illnesses between twins, randomness in brain growth, and social or non-social experiences that only one twin experienced).[46][47][44]

### Childhood and parenting

Early childhood experiences, especially those involving primary caregivers, play a significant role in shaping personality traits. Psychoanalytic theories suggest that childhood trauma and early relationships are critical to personality development. However, there is ongoing debate about which specific childhood experiences are most influential.

#### Abuse and neglect

Child abuse and neglect consistently show up as risk factors to the development of personality disorders in adulthood.[48] A study looked at retrospective reports of abuse of participants that had demonstrated psychopathology throughout their life and were later found to have past experience with abuse. In a study of 793 mothers and children, researchers asked mothers if they had screamed at their children, and told them that they did not love them or threatened to send them away. Children who had experienced such verbal abuse were three times as likely as other children (who did not experience such verbal abuse) to have borderline, narcissistic, obsessive–compulsive or paranoid personality disorders in adulthood.[49] The sexually abused group demonstrated the most consistently elevated patterns of psychopathology. Officially verified physical abuse showed an extremely strong correlation with the development of antisocial and impulsive behavior. On the other hand, cases of abuse of the neglectful type that created childhood pathology were found to be subject to partial remission in adulthood.[48]

#### Parenting and attachment

See also: Parenting styles § Dysfunctional styles, and Attachment disorder

Evidence shows personality disorders may begin with parental personality issues. These cause the child to have their own difficulties in adulthood, such as difficulties reaching higher education, obtaining jobs, and securing dependable relationships. By either genetic or modeling mechanisms, children can pick up these traits.[50] Additionally, poor parenting appears to have symptom elevating effects on personality disorders.[50] More specifically, lack of maternal bonding has also been correlated with personality disorders. In a study comparing 100 healthy individuals to 100 borderline personality disorder patients, analysis showed that BPD patients were significantly more likely not to have been breastfed as a baby (42.4% in BPD vs. 9.2% in healthy controls).[51] These researchers suggested "Breastfeeding may act as an early indicator of the mother-infant relationship that seems to be relevant for bonding and attachment later in life". Additionally, findings suggest personality disorders show a negative correlation with two attachment variables: maternal availability and dependability. When left unfostered, other attachment and interpersonal problems occur later in life ultimately leading to development of personality disorders.[52]

### Genetic

Currently, genetic research for the understanding of the development of personality disorders is[according to whom?] severely lacking. However, there are a few possible risk factors currently in discovery. Researchers are currently looking into genetic mechanisms for traits such as aggression, fear and anxiety, which are associated with diagnosed individuals. More research is being conducted into disorder specific mechanisms.[53]

Cluster A personality disorders have a higher probability of occurring among individuals whose first-degree relatives have either schizophrenia or a Cluster A PD.[54]

### Socioeconomic status

Socioeconomic status has also been looked at as a potential cause for personality disorders. There is a strong association with low parental/neighborhood socioeconomic status and personality disorder symptoms.[50] In a 2015 publication from Bonn, Germany, which compared parental socioeconomic status and a child's personality, it was seen that children who were from higher socioeconomic backgrounds were more altruistic, less risk seeking, and had overall higher IQs.[55] These traits correlate with a low risk of developing personality disorders later on in life. In a study looking at female children who were detained for disciplinary actions found that psychological problems were most negatively associated with socioeconomic problems.[56] Furthermore, social disorganization was found to be positively correlated with personality disorder symptoms.[57]

### Neurobiological

Research shows that several brain regions are altered in personality disorders, particularly: hippocampus up to 18% smaller, a smaller amygdala, malfunctions in the striatum-nucleus accumbens and the cingulum neural pathways connecting them and taking care of the feedback loops on what to do with all the incoming information from the multiple senses; so what comes out is anti-social – not according to what is the social norm, socially acceptable and appropriate.[58][59]

## Mechanism

### Openness to experience

Main article: Social:Openness to experience

At least three aspects of openness to experience are relevant to understanding personality disorders: cognitive distortions, lack of insight (means the ability to recognize one's own mental illness) and impulsivity. Problems related to high openness that can cause problems with social or professional functioning are excessive fantasising, peculiar thinking, diffuse identity, unstable goals and nonconformity with the demands of the society.[60]

High openness is characteristic to schizotypal personality disorder (odd and fragmented thinking), narcissistic personality disorder (excessive self-valuation) and paranoid personality disorder (sensitivity to external hostility). Lack of insight (shows low openness) is characteristic to all personality disorders and could help explain the persistence of maladaptive behavioral patterns.[61]

The problems associated with low openness are difficulties adapting to change, low tolerance for different worldviews or lifestyles, emotional flattening, alexithymia and a narrow range of interests.[60] Rigidity is the most obvious aspect of (low) openness among personality disorders and that shows lack of knowledge of one's emotional experiences. It is most characteristic of obsessive–compulsive personality disorder; the opposite of it known as impulsivity (here: an aspect of openness that shows a tendency to behave unusually or autistically) is characteristic of schizotypal and borderline personality disorders.[61]

## Diagnosis

Establishing a formal diagnosis of a PD is an issue for specialist psychiatry. The patient history must cover the life perspective to understand the current clinical landscape in context and against a background of the individual's unique developmental history. General and permanent problems in work, studies, and relationships are often primary and obvious observations. Difficulties in interpersonal relations are often visible already at the first patient encounter. Those difficulties justify a step-by-step deepening of the formal diagnostic work while initiating treatment efforts. Enhanced personal knowledge will also provide a more nuanced image of the patient's problems as well as adaptive resources. Accounts of the current problem and the patient's current life situation are a starting point when collecting data on the clinical history of the patient. Special attention is supposed to be given to the risks of suicide and violence. The clinical history is recommended to be expanded in a piecemeal manner on appropriate occasions.[3]

### Differential diagnosis

It is common for people with a personality disorder to have several comorbid mental disorders including but not limited to other personality disorders, often leading to a more adverse outcome. Because of this characteristic, it is not uncommon that a person who fulfils criteria for a diagnosis of PD will seek health care for another mental disorder, which might be misleading during the diagnostic process. In some cases, there are rapid onset depressive or anxiety states that motivate the care episode during which the coexisting problems related to a comorbid PD are apparent. Moreover, comorbidity of a more enduring character (e.g., ADHD) can obscure the clinical symptoms of, for example, borderline PD. Conversely, a severe and prolonged eating disorder may dominate over an underlying personality pathology.[3]

When the symptomatic picture of PD is complex and partially overlapping between different diagnoses, it is seldom possible to distinguish between different underlying pathologies. The differential diagnostic procedure will therefore be more about evaluating the relative influence of the various demonstrable expressed symptoms on the severity of functioning.[3] To optimize diagnostic accuracy self-assessment tools, semi-structured interviews and personality inventories can be used. The SCID-II is such an interview support for personality diagnosis according to the DSM-IV and DSM-5.[3]

### In children and adolescents

See also: Philosophy:Personality development disorder

Diagnosing personality disorders in children is approached with caution. During childhood and adolescence, personality traits are still forming as well as ongoing cognitive and emotional development. Additionally, diagnosing a child with a personality disorder is followed with a big stigma that can be difficult for a child to face.[62] Rather than focusing on formal diagnoses, clinicians and researchers often emphasize identifying early signs of maladaptive behavior patterns that may become more stable over time. Early stages and preliminary forms of personality disorders need a multi-dimensional and early treatment approach. Personality development disorder is considered to be a childhood risk factor or early stage of a later personality disorder in adulthood.

In addition, in Robert F. Krueger's review of their[whose?] research indicates that some children and adolescents do experience clinically significant syndromes that resemble adult personality disorders, and that these syndromes have meaningful correlates and are consequential. Much of this research has been framed by the adult personality disorder constructs from Axis II of the Diagnostic and Statistical Manual[edition needed]. Hence, they[who?] are less likely to encounter the first risk they described at the outset of their review: clinicians and researchers are not simply avoiding use of the PD construct in youth. However, they may encounter the second risk they described: under-appreciation of the developmental context in which these syndromes occur. That is, although PD constructs show continuity over time, they are probabilistic predictors; not all youths who exhibit PD symptomatology become adult PD cases.[63]

## Management

See also: Management of antisocial, avoidant, borderline, dependent, narcissistic personality disorder, and histrionic

See also: Management of obsessive–compulsive, paranoid, schizoid, and schizotypal personality disorder

The management of personality disorders involves a combination of psychotherapeutic, behavioral, and occasionally pharmacological interventions aimed at reducing symptoms, improving interpersonal functioning, and enhancing quality of life. Given the heterogeneous nature of personality disorders, treatment approaches are often tailored to the individual's specific diagnosis, severity, and co-occurring conditions.

There are different specific theories or schools of therapy within many of these treatment modalities. They may, for example, emphasize psychodynamic techniques, or cognitive or behavioral techniques. In clinical practice, many therapists use an 'eclectic' approach, taking elements of different schools as and when they seem to fit to an individual client. There is also often a focus on common themes that seem to be beneficial regardless of techniques, including attributes of the therapist (e.g. trustworthiness, competence, caring), processes afforded to the client (e.g. ability to express and confide difficulties and emotions), and the match between the two (e.g. aiming for mutual respect, trust and boundaries).

Treatment guidelines focused on managing ASPD and BPD emphasize treating comorbid diagnoses.[64][65] There is a limited amount of evidence in regards to the treatment of AvPD,[66] DPD,[67][68] HPD,[69] NPD,[70][71] OCPD,[72][73] PPD,[74] SzPD,[75] and StPD.[76] The management of personality disorders such as the aforementioned includes medication and therapy.[77]

Response of patients with personality disorders to biological and psychosocial treatments[78][79][80][81][82] Cluster  | Evidence for brain dysfunction | Response to biological treatments  | Response to psychosocial treatments

|
|
|

A  | Evidence for relationship of schizotypal personality to schizophrenia; otherwise none known.  | Schizotypal patients may improve on antipsychotic medication; otherwise not indicated.  | Poor in schizoid and paranoid personalities. Variable in schizotypal personality.
B  | Evidence suggestive for antisocial and borderline personalities; otherwise none known.  | Antidepressants, antipsychotics, or mood stabilizers may help for borderline personality; otherwise not indicated.  | Poor in antisocial personality. Variable in borderline, narcissistic, and histrionic personalities.
C  | None known.  | No direct response. Medications may help with comorbid anxiety and depression.  | Most common treatment for these disorders. Response variable.

### Psychotherapy

Individual psychotherapy has been a mainstay of treatment.[83] There are long-term and short-term (brief) forms. Within individual therapy, various theories and schools of therapy are used. The American Psychiatric Association and Cochrane both found that psychotherapy was effective in treating BPD.[84][85][86]

Because fundamental problems of PDs are related to interpersonal relations, a structured and stable relationship between the patient and the clinician (a ‘therapeutic alliance’) is necessary for, and the strongest predictor of, successful outcome of any treatment attempt. The most difficult challenge for the clinician is to achieve this goal. The strength of this alliance is crucial not only to obtain anamnestic information about the true history of the problems encountered but also to motivate and maintain adherence to treatment. The single factor that most affects the quality of this alliance is the pre-existing quality of the patient’s relationships, rather than the type of PD.[3]

Proposed non-pharmacological treatments include behavioural therapy, cognitive therapy, brief psychodynamic treatments, schema therapy, graded exposure, social skills training, psychodynamic psychotherapy, and supportive–expressive psychotherapy for AvPD;[87][66] clarification-oriented psychotherapy and cognitive therapy for DPD;[67][88] lifestyle modifications, medication, and psychotherapy such as CBT or group therapy for HPD;[89][90] socialization groups, and psychodynamic psychotherapy for SzPD;[75] and social skills training for STPD;[91] and psychodynamic therapy, cognitive therapy, and radically open dialectical behaviour therapy for OCPD.[72][73]

#### Cognitive behavioral therapy

Main article: Medicine:Cognitive behavioral therapy

Cognitive behavioral therapy (CBT) is a form of psychotherapy that aims to reduce symptoms of various mental health conditions, primarily depression, PTSD, and anxiety disorders.[92][93][94]

Cognitive behavioral therapy focuses on challenging and changing cognitive distortions (thoughts, beliefs, and attitudes) and their associated behaviors in order to improve emotional regulation and help the individual develop coping strategies to address problems.[93][95] CBT is widely applied across personality disorders, focusing on managing negative thought patterns and maladaptive behaviors. It is evidence-based and commonly used for avoidant, obsessive-compulsive, and dependent personality disorders. It has also been proposed for paranoid PD.[74]

#### Dialectical behavior therapy

Main article: Social:Dialectical behavior therapy

Dialectical behavior therapy (DBT) is an evidence-based[96] psychotherapy that began with efforts to treat personality disorders and interpersonal conflicts.[96] Evidence suggests that DBT can be useful in treating mood disorders and suicidal ideation as well as for changing behavioral patterns such as self-harm and substance use.[97] DBT evolved into a process in which the therapist and client work with acceptance and change-oriented strategies and ultimately balance and synthesize them—comparable to the philosophical dialectical process of thesis and antithesis, followed by synthesis.[96] The NICE review for BPD recommended DBT in the treatment of BPD symptoms.[64]

#### Other psychotherapies

Psychodynamic therapy aims to uncover unconscious conflicts and explore the influence of early experiences on current behavior, particularly helpful for disorders with deep-rooted interpersonal and identity issues.[98] Mentalization-Based Therapy (MBT), initially developed for borderline personality disorder,[99] helps individuals understand their own and others' mental states,[100] and has shown promise for treating antisocial traits, especially in individuals with moderate psychopathy.[101] Furthermore, Transference Focused Psychotherapy[102][103] and Good Psychiatric Management[104][105] have been shown to be effective in some clinical trials in the treatment of BPD, while Evolutionary Systems Therapy[106][107] in a clinical trial for STPD.

### Psychosocial

There are many different forms (modalities) of treatment used for personality disorders:[83]

* Family therapy, including couples therapy.
* Group therapy for personality dysfunction is probably[according to whom?] the second most used. For ASPD, NICE guidelines recommend group therapy focused on cognitive and behavioural techniques to manage symptoms.[65]
* Psychological-education may be used as an addition.
* Self-help groups may provide resources for personality disorders.
* Milieu therapy, a kind of group-based residential approach, has a history of use in treating personality disorders, including therapeutic communities.
* The practice of mindfulness that includes developing the ability to be nonjudgmentally aware of unpleasant emotions appears to be a promising clinical tool for managing different types of personality disorders.[108][109]

#### Behavioral management in childhood

### Pharmacological

Psychiatric medications are not a primary treatment for personality disorders,[110] with no pharmaceuticals being registered for use in treatment of personality disorders,[3] and their use for this purpose lacking sufficient evidence.[110] The underlying hypothesis when attempting psychotropic pharmaceuticals in the treatment of PDs is the assumption that the features and attributes associated with the clinical expression are linked to biochemical abnormalities and thus can be regulated by psychotropic drugs. For most specific PDs, studies on the putative benefit of pharmaceuticals are lacking, and where studies have been done the results are at best modest.[3]

A pharmacological approach may be used in an attempt to reduce or eliminate specific symptoms seen in other psychiatric disorders, where there is evidence that the drug in question is efficient,[3] such as when symptoms of anxiety, depression, or impulsivity are present. Common medications include antidepressants (for mood-related symptoms), anxiolytics (used cautiously for short-term anxiety), and antipsychotics (for severe cognitive distortions or paranoid ideation). It has been suggested that future development of pharmacological treatments should focus on the treatment of traits, such as those in the AMPD and ICD-11 classification.[110]

NICE guidelines discourage the use of medication to treat ASPD and BPD, or their symptoms and related behaviors.[65][64] The Cochrane Review for ASPD found that there was no good quality evidence for the use of medication or therapy for the treatment of ASPD.[111][112] Both the American Psychiatric Association and Cochrane found that the evidence for medication being effective in treating BPD was weak.[84][85][86] Medication has been proposed for treatment of negative symtoms similar to those in schizophrenia in the case of SzPD.[75] Risperidone and olanzapine have been proposed for STPD.[91]

Despite insufficient evidence for benefit of pharmaceutical treatment, patients with PDs are frequently prescribed many drugs, often over a long time, and without information about the expected or obtained benefit, or how the treatment was followed up. Such polypharmacy, particularly in combination with poor documentation, can put patients at risk of adverse drug events (side effects) and interactions.[3] Despite the lack of evidence supporting the benefit of antipsychotics in people with personality disorders, 1 in 4 who do not have a serious mental illness are prescribed them in UK primary care. Many people receive these medication for over a year, contrary to NICE guidelines.[113][114] No medication has been approved by the U.S. Food and Drug Administration for the purpose of treating personality disorders.[110]

### Challenges

The management and treatment of personality disorders can be a challenging and controversial area, for by definition the difficulties are enduring and affect multiple areas of functioning. This often involves interpersonal issues, and there can be difficulties in seeking and obtaining help from organizations in the first place, as well as with establishing and maintaining a specific therapeutic relationship. There is also substantial social stigma and discrimination related to the diagnosis.

#### Egosyntonicity

An individual with personality disorder may not consider themselves to have a mental health problem, or their personality to be disordered or the cause of problems. This perspective may be caused by the patient's ignorance or lack of insight into their own condition. Psychoanalytic theory has been used to explain treatment-resistant tendencies as egosyntonic (i.e. consistent with the ego integrity of the individual), which means that patients do not experience the pathology as being in conflict with their goals and self-image, and is therefore perceived to be appropriate. In addition, this behavior can result in maladaptive coping skills and may lead to personal problems that induce extreme anxiety, distress, or depression and result in impaired psychosocial functioning.[115]

Of those who have a personality disorder, many lack recognition of any abnormality and defend valiantly their continued occupancy of their personality role; they have been termed the Type R, or treatment-resisting personality disorders. This is in opposition to the Type S or treatment-seeking ones, who are keen on altering their personality disorders and sometimes clamor for treatment.[116] The classification of 68 personality disordered patients on the caseload of an assertive community team using a simple scale showed a 3 to 1 ratio between Type R and Type S personality disorders with Cluster C personality disorders being significantly more likely to be Type S, and paranoid and schizoid (Cluster A) personality disorders significantly more likely to be Type R than others.[117]

#### Heterogeneity

The term 'personality disorder' encompasses a wide, heterogeneous range of issues, each with a different level of severity or impairment; thus, personality disorders can require fundamentally different approaches and understandings. For example, while some manifestations are characterized by continual social withdrawal and the shunning of relationships, others may cause fluctuations in forwardness. The extremes are worse still: at one extreme lie self-harm and self-neglect, while at another extreme some individuals may commit violence and crime. There can be other factors such as problematic substance use or dependency or behavioral addictions.

#### Difficulties in therapy

Therapists can become disheartened by lack of initial progress, or by apparent progress that then leads to setbacks. Clients may be perceived as negative, rejecting, demanding, aggressive or manipulative. This has been looked at in terms of both therapist and client; in terms of social skills, coping efforts, defense mechanisms, or deliberate strategies; and in terms of moral judgments or the need to consider underlying motivations for specific behaviors or conflicts. The vulnerabilities of a client, and of a therapist, may become lost behind actual or apparent strength and resilience. Community mental health services may view individuals with personality disorders as too complex or difficult, and may directly or indirectly exclude individuals with such diagnoses or associated behaviors.[118]

In treatment, it is important to maintain appropriate professional personal boundaries while allowing for emotional expression[119][120] and therapeutic relationships. However, there can be difficulty in acknowledgement of the differences in subjective perspectives between client and therapist. A therapist may assume that the kinds of relationships and ways of interacting that make them feel safe and comfortable have the same effect on clients. As an example of one extreme, people who may have been exposed to hostility, deceptiveness, rejection, aggression or abuse in their lives, may in some cases be made confused, intimidated or suspicious by presentations of warmth, intimacy or positivity. On the other hand, reassurance, openness and clear communication are usually helpful and needed. It can take several months of sessions, and perhaps several stops and starts, to begin to develop a trusting relationship that can meaningfully address a client's issues.[121]

## Prognosis

It is generally assumed that all personality disorders are linked to impaired functioning and a reduced quality of life (QoL) because that is a basic diagnostic requirement. But research shows that this may be true only for some types of personality disorder. In several studies, higher levels of disability and lower QoL were predicted by avoidant, dependent, schizoid, paranoid, schizotypal and antisocial personality disorders. This link is particularly strong for avoidant, schizotypal and borderline PD. Not being able to fit in society for borderline personality disorder leads to a high risk of suicide, but with treatment, that risk can be reduced. However, obsessive–compulsive PD was not related to a reduced QoL or increased impairment. A prospective study reported that all PD were associated with significant impairment 15 years later, except for obsessive compulsive and narcissistic personality disorder.[122]

One study investigated some aspects of "life success" (status, wealth and successful intimate relationships). It showed somewhat poor functioning for schizotypal, antisocial, borderline, and dependent PD; schizoid PD had the lowest scores regarding these variables. Paranoid, histrionic and avoidant PD were average. Narcissistic and obsessive–compulsive PD, however, had high functioning and appeared to contribute rather positively to these aspects of life success.[11] There is also a direct relationship between the number of diagnostic criteria and quality of life. For each additional personality disorder criterion that a person meets there is an even reduction in quality of life.[123] Another[which?] study indicated that negative affectivity predicts suicidal attempts. Personality disorders – especially dependent, narcissistic, and sadistic personality disorders – also facilitate various forms of counterproductive work behavior, including knowledge hiding and knowledge sabotage.[124]

### Occupational functioning

Personality disorders can impact workplace experiences in various ways, depending on the diagnosis, severity, individual, and job context. Some individuals may experience difficulties with interpersonal relationships, communication, or stress management, which can affect workplace dynamics.[125][126] In addition to the direct effects of personality-related traits, indirect factors such as comorbid mental health conditions, educational challenges, or external life stressors may also influence job performance.[127][128]

While challenges may exist, individuals with personality disorders can also be in high level positions in the corporate world. In 2005 and again in 2009, psychologists Belinda Board and Katarina Fritzon at the University of Surrey, UK, interviewed and gave personality tests to high-level British executives and compared their profiles with those of criminal psychiatric patients at Broadmoor Hospital in the UK. They found that three – namely: histrionic, narcissistic and obsessive–compulsive – out of eleven personality disorders were actually more common in executives than in the disturbed criminals.[129] According to leadership academic Manfred F.R. Kets de Vries, it seems almost inevitable that some personality disorders will be present in a senior management team.[130]

### Social functioning

Social function is affected by many other aspects of mental functioning apart from that of personality. However, whenever there is persistently impaired social functioning in conditions in which it would normally not be expected, the evidence suggests that this is more likely to be created by personality abnormality than by other clinical variables.[131] The Personality Assessment Schedule[132] gives social function priority in creating a hierarchy in which the personality disorder creating the greater social dysfunction is given primacy over others in a subsequent description of personality disorder.

## Epidemiology

### Prevalence

The prevalence of personality disorder in the general community was largely unknown until surveys starting from the 1990s. In 2008 the median rate of diagnosable PD was estimated at 10.6%, based on six major studies across three nations. This rate of around one in ten, especially as associated with high use of cocaine, is described as a major public health concern requiring attention by researchers and clinicians.[133] The prevalence of individual personality disorders ranges from about 2% to 8% for the more common varieties, such as obsessive-compulsive, schizotypal, antisocial, borderline, and histrionic, to 0.5–1% for the least common, such as narcissistic and avoidant.[134][78]

A screening survey across 13 countries by the World Health Organization using DSM-IV criteria, reported in 2009 a prevalence estimate of around 6% for personality disorders. The rate sometimes varied with demographic and socioeconomic factors, and functional impairment was partly explained by co-occurring mental disorders.[135] In the US, screening data from the National Comorbidity Survey Replication between 2001 and 2003, combined with interviews of a subset of respondents, indicated a population prevalence of around 9% for personality disorders in total. Functional disability associated with the diagnoses appeared to be largely due to co-occurring mental disorders (Axis I in the DSM).[136] This statistic has been supported by other studies in the US, with overall global prevalence statistics ranging from 9% to 11%.[137][138]

A UK national epidemiological study (based on DSM-IV screening criteria), reclassified into levels of severity rather than just diagnosis, reported in 2010 that the majority of people show some personality difficulties in one way or another (short of threshold for diagnosis), while the prevalence of the most complex and severe cases (including meeting criteria for multiple diagnoses in different clusters) was estimated at 1.3%. Even low levels of personality symptoms were associated with functional problems, but the most severely in need of services was a much smaller group.[139] Personality disorders (especially Cluster A) are found more commonly among homeless people.[140]

### Comorbidity

Comorbidity with several disorders, both within and outside the PD spectrum is common; it is seen across the whole spectrum of PDs and other mental disorders and in general represents a broader pattern of symptoms as well as a more severe condition. This is reflected in the observation that the total number of fulfilled criteria for any PD is related to the observed dysfunction and to the reported quality of life. Comorbidity between PDs and other mental disorders contributes significantly to functional impairment while also increasing the risk of early mortality.[3]

### Non-PD comorbitity

Significant evidence suggests a small proportion of people with Cluster A personality disorders, especially schizotypal personality disorder, have the potential to develop schizophrenia and other psychotic disorders.[54]

### Comorbidity among categories

It is common for patients with a personality disorder to develop symptoms of another kind, co-occurring. Patients who meet the DSM-IV-TR diagnostic criteria for one personality disorder are likely to meet the diagnostic criteria for another.[78]

DSM-III-R personality disorder diagnostic co-occurrence aggregated across six research sites[78]: 1721 Type of Personality Disorder  | PPD  | SzPD  | StPD  | ASPD  | BPD  | HPD  | NPD  | AvPD  | DPD  | OCPD

|
|
|
|
|
|
|
|
|
|

Paranoid (PPD)  | —  | 8  | 19  | 15  | 41  | 28  | 26  | 44  | 23  | 21
Schizoid (SzPD)  | 38  | —  | 39  | 8  | 22  | 8  | 22  | 55  | 11  | 20
Schizotypal (StPD)  | 43  | 32  | —  | 19  | 4  | 17  | 26  | 68  | 34  | 19
Antisocial (ASPD)  | 30  | 8  | 15  | —  | 59  | 39  | 40  | 25  | 19  | 9
Borderline (BPD)  | 31  | 6  | 16  | 23  | —  | 30  | 19  | 39  | 36  | 12
Histrionic (HPD)  | 29  | 2  | 7  | 17  | 41  | —  | 40  | 21  | 28  | 13
Narcissistic (NPD)  | 41  | 12  | 18  | 25  | 38  | 60  | —  | 32  | 24  | 21
Avoidant (AvPD)  | 33  | 15  | 22  | 11  | 39  | 16  | 15  | —  | 43  | 16
Dependent (DPD)  | 26  | 3  | 16  | 16  | 48  | 24  | 14  | 57  | —  | 15
Obsessive–Compulsive (OCPD)  | 31  | 10  | 11  | 4  | 25  | 21  | 19  | 37  | 27  | —

### Sex ratio

There are some sex differences in the frequency of personality disorders which are shown in the table below.[141]: 206 The known prevalence of some personality disorders, especially borderline PD and antisocial PD are affected by diagnostic bias. This is due to many factors including disproportionately high research towards borderline PD and antisocial PD, alongside social and gender stereotypes, and the relationship between diagnosis rates and prevalence rates.[134] Since the removal of depressive PD, self-defeating PD, sadistic PD and passive-aggressive PD from the DSM-5, studies analysing their prevalence and demographics have been limited.

Sex differences in the frequency of personality disorders  Type of personality disorder  | Predominant sex  | Notes

|
|

Paranoid personality disorder | Inconclusive  | In clinical samples men have higher rates, whereas epidemiologically there is a reported higher rate of women[45] although due to the controversy of paranoid personality disorder the usefulness of these results is disputed[134][142]
Schizoid personality disorder | Male  | About 10% more common in males[143]
Schizotypal personality disorder | Inconclusive  | The DSM-5 reports it is slightly more common in males, although other results suggest a prevalence of 4.2% in women and 3.7% in men[2][144]
Antisocial personality disorder | Male  | About three times more common in men,[145] with rates substantially higher in prison populations, up to almost 50% in some prison populations[145]
Borderline personality disorder | Female  | Diagnosis rates vary from about three times more common in women, to only a minor predominance of women over men. This is partially attributable to increased rates of treatment-seeking in women, although disputed[134][45]
Histrionic personality disorder | Equal  | Prevalence rates are equal, although diagnostic rates can favour women[146][45][134]
Narcissistic personality disorder | Male  | 7.7% for men, 4.8% for women[147][148]
Avoidant personality disorder | Female  | 2.8% in women, 1.2% in men.[134]
Dependent personality disorder | Female  | 0.6% in women, 0.4% in men.[45][134]
Obsessive–compulsive personality disorder | Inconclusive  | The DSM-5 lists a male-to-female ratio of 2:1, however other studies have found equal rates[149]

## History

### Diagnostic and Statistical Manual history

Personality disorder diagnoses in each edition of the Diagnostic and Statistical Manual[141]: 17 DSM-I  | DSM-II  | DSM-III  | DSM-III-R  | DSM-IV(-TR)  | DSM-5

|
|
|
|
|

Inadequate[lower-alpha 1] | Inadequate  | Deleted[141]: 19 | N/A  | N/A  | N/A
Schizoid[lower-alpha 1] | Schizoid  | Schizoid  | Schizoid  | Schizoid  | Schizoid
Cyclothymic[lower-alpha 1] | Cyclothymic  | Reclassified[141]: 16, 19 | N/A  | N/A  | N/A
Paranoid[lower-alpha 1] | Paranoid  | Paranoid  | Paranoid  | Paranoid  | Paranoid
N/A  | N/A  | Schizotypal  | Schizotypal  | Schizotypal  | Schizotypal[lower-alpha 2]
Emotionally unstable[lower-alpha 3] | Hysterical[141]: 18 | Histrionic  | Histrionic  | Histrionic  | Histrionic
N/A  | N/A  | Borderline[141]: 19 | Borderline  | Borderline  | Borderline
Compulsive[lower-alpha 3] | Obsessive–compulsive  | Compulsive  | Obsessive–compulsive  | Obsessive–compulsive  | Obsessive–compulsive
Passive–aggressive,
Passive–dependent subtype[lower-alpha 3] | Deleted[141]: 18 | Dependent[141]: 19 | Dependent  | Dependent  | Dependent
Passive–aggressive,
Passive–aggressive subtype[lower-alpha 3] | Passive–aggressive  | Passive–aggressive  | Passive–aggressive  | Deleted[lower-alpha 4][150]: 629 | N/A
Passive–aggressive,
Aggressive subtype[lower-alpha 3] | N/A  | N/A  | N/A  | N/A  | N/A
N/A  | Explosive[141]: 18 | Deleted[141]: 19 | N/A  | N/A  | N/A
N/A  | Asthenic[141]: 18 | Deleted[141]: 19 | N/A  | N/A  | N/A
N/A  | N/A  | Avoidant[141]: 19 | Avoidant  | Avoidant  | Avoidant
N/A  | N/A  | Narcissistic[141]: 19 | Narcissistic  | Narcissistic  | Narcissistic
Antisocial reaction[lower-alpha 5] | Antisocial  | Antisocial  | Antisocial  | Antisocial  | Antisocial
Dyssocial reaction[lower-alpha 5] | N/A  | N/A  | N/A  | N/A  | N/A
Sexual deviation[lower-alpha 5] | Reclassified[141]: 16, 18 | N/A  | N/A  | N/A  | N/A
Addiction[lower-alpha 5] | Reclassified[141]: 16, 18 | N/A  | N/A  | N/A  | N/A
Appendix
|  |  | Self-defeating  | Passive-aggressive (Negativistic)[150]: 733 | Personality disorder - Trait specified[151]
|  |  | Sadistic  | Depressive  |

Introduced  Deleted

1. ↑ 1.0 1.1 1.2 1.3 DSM-I Personality Pattern disturbance subsection.[141]: 16
2. ↑ Also classified as a schizophrenia-spectrum disorder in addition to personality disorder.
3. ↑ 3.0 3.1 3.2 3.3 3.4 DSM-I Personality Trait disturbance subsection.[141]: 16
4. ↑ Excluded from formal diagnoses and moved to Appendix.
5. ↑ 5.0 5.1 5.2 5.3 DSM-I Sociopathic personality disturbance subsection.[141]: 16

### Before the 20th century

Personality disorder is a term with a distinctly modern meaning, owing in part to its clinical usage and the institutional character of modern psychiatry. The currently accepted meaning must be understood in the context of historical changing classification systems such as DSM-IV and its predecessors. Although highly anachronistic, and ignoring radical differences in the character of subjectivity and social relations, some have suggested similarities to other concepts going back to at least the ancient Greeks.[18]: 35 For example, the Greek philosopher Theophrastus described 29 'character' types that he saw as deviations from the norm, and similar views have been found in Asian, Arabic and Celtic cultures. A long-standing influence in the Western world was Galen's concept of personality types, which he linked to the four humours proposed by Hippocrates.

In ancient India, the concept of temperament was closely related to the ideas in Ayurvedic medicine, which categorized individuals according to three doshas—Vata, Pitta, and Kapha. These doshas, or bodily humors, were believed to influence not just physical health but also the mental and emotional state of a person. Imbalances in these doshas were thought to result in behavioral abnormalities, echoing the Western notion of temperament but grounded in a more holistic, mind-body connection.

Similarly, ancient Chinese philosophy emphasized the balance of the five elements (wood, fire, earth, metal, and water), with each element corresponding to certain personality traits and emotional responses. Traditional Chinese medicine linked these elements to specific organs in the body and believed that emotional imbalances could result in physical illness. The idea that a person's emotional and behavioral state could affect both their health and their social relationships is a concept that resonates with contemporary ideas about personality disorders.

In the Arabic world, thinkers like Avicenna (Ibn Sina) incorporated Galenic ideas into their medical writings, further developing the concept of temperament. Avicenna expanded on the four humors proposed by Hippocrates and Galen, suggesting that certain personality traits—such as choleric (angry), melancholic (sad), sanguine (optimistic), and phlegmatic (calm)—were reflective of imbalances in bodily fluids. These early understandings of personality types laid the groundwork for later, more refined concepts of character in Western psychiatry.

Such views lasted into the eighteenth century, when experiments began to question the supposed biologically based humours and 'temperaments'. Psychological concepts of character and 'self' became widespread. In the nineteenth century, 'personality' referred to a person's conscious awareness of their behavior, a disorder of which could be linked to altered states such as dissociation. This sense of the term has been compared to the use of the term 'multiple personality disorder' in the first versions of the DSM.[152]

Physicians in the early nineteenth century started to diagnose forms of insanity involving disturbed emotions and behaviors but seemingly without significant intellectual impairment or delusions or hallucinations. Philippe Pinel referred to this as ' manie sans délire ' – mania without delusions – and described a number of cases mainly involving excessive or inexplicable anger or rage. James Cowles Prichard advanced a similar concept he called moral insanity, which would be used to diagnose patients for some decades. 'Moral' in this sense referred to affect (emotion or mood) rather than simply the ethical dimension, but it was arguably a significant move for 'psychiatric' diagnostic practice to become so clearly engaged with judgments about individual's social behaviour.[153] Prichard was influenced by his own religious, social and moral beliefs, as well as ideas in German psychiatry.[154] These categories were much different and broader than later definitions of personality disorder, while also being developed by some into a more specific meaning of moral degeneracy akin to later ideas about 'psychopaths'. Separately, Richard von Krafft-Ebing popularized the terms sadism and masochism, as well as homosexuality, as psychiatric issues.

The German psychiatrist Koch sought to make the moral insanity concept more scientific, and in 1891 suggested the phrase 'psychopathic inferiority', theorized to be a congenital disorder. This referred to continual and rigid patterns of misconduct or dysfunction in the absence of apparent "mental retardation" or illness, supposedly without a moral judgment. Described as deeply rooted in his Christian faith, his work established the concept of personality disorder as used today.[155]

### 20th century

In the early 20th century, another German psychiatrist, Emil Kraepelin, included a chapter on psychopathic inferiority in his influential work on clinical psychiatry for students and physicians. He suggested six types – excitable, unstable, eccentric, liar, swindler and quarrelsome. The categories were essentially defined by the most disordered criminal offenders observed, distinguished between criminals by impulse, professional criminals, and morbid vagabonds who wandered through life. Kraepelin also described three paranoid (meaning then delusional) disorders, resembling later concepts of schizophrenia, delusional disorder and paranoid personality disorder. A diagnostic term for the latter concept would be included in the DSM from 1952, and from 1980 the DSM would also include schizoid, schizotypal; interpretations of earlier (1921) theories of Ernst Kretschmer led to a distinction between these and another type later included in the DSM, avoidant personality disorder.

In 1933 Russian psychiatrist Pyotr Borisovich Gannushkin published his book Manifestations of Psychopathies: Statics, Dynamics, Systematic Aspects, which was one of the first attempts to develop a detailed typology of psychopathies. Regarding maladaptation, ubiquity, and stability as the three main symptoms of behavioral pathology, he distinguished nine clusters of psychopaths: cycloids (including constitutionally depressive, constitutionally excitable, cyclothymics, and emotionally labile), (including psychasthenics), schizoids (including dreamers), paranoiacs (including fanatics), epileptoids, hysterical personalities (including pathological liars), unstable psychopaths, antisocial psychopaths, and constitutionally stupid.[156] Some elements of Gannushkin's typology were later incorporated into the theory developed by a Russian adolescent psychiatrist, Andrey Yevgenyevich Lichko, who was also interested in psychopathies along with their milder forms, the so-called accentuations of character.[157]

In 1939, psychiatrist David Henderson published a theory of 'psychopathic states' that contributed to popularly linking the term to anti-social behavior. Hervey M. Cleckley's 1941 text, The Mask of Sanity, based on his personal categorization of similarities he noted in some prisoners, marked the start of the modern clinical conception of psychopathy and its popularist usage.[158]

Towards the mid 20th century, psychoanalytic theories were coming to the fore based on work from the turn of the century being popularized by Sigmund Freud and others. This included the concept of character disorders, which were seen as enduring problems linked not to specific symptoms but to pervasive internal conflicts or derailments of normal childhood development. These were often understood as weaknesses of character or willful deviance, and were distinguished from neurosis or psychosis. The term 'borderline' stems from a belief some individuals were functioning on the edge of those two categories, and a number of the other personality disorder categories were also heavily influenced by this approach, including dependent, obsessive–compulsive and histrionic,[159] the latter starting off as a conversion symptom of hysteria particularly associated with women, then a hysterical personality, then renamed histrionic personality disorder in later versions of the DSM. A passive aggressive style was defined clinically by Colonel William Menninger during World War II in the context of men's reactions to military compliance, which would later be referenced as a personality disorder in the DSM.[160] Otto Kernberg was influential with regard to the concepts of borderline and narcissistic personalities later incorporated in 1980 as disorders into the DSM.

Meanwhile, a more general personality psychology had been developing in academia and to some extent clinically. Gordon Allport published theories of personality traits from the 1920s—and Henry Murray advanced a theory called personology, which influenced a later key advocate of personality disorders, Theodore Millon. Tests were developing or being applied for personality evaluation, including projective tests such as the Rorschach test, as well as questionnaires such as the Minnesota Multiphasic Personality Inventory. Around mid-century, Hans Eysenck was analysing traits and personality types, and psychiatrist Kurt Schneider was popularising a clinical use in place of the previously more usual terms 'character', 'temperament' or 'constitution'.

American psychiatrists officially recognized concepts of enduring personality disturbances in the first Diagnostic and Statistical Manual of Mental Disorders in the 1950s, which relied heavily on psychoanalytic concepts. Somewhat more neutral language was employed in the DSM-II in 1968, though the terms and descriptions had only a slight resemblance to current definitions. The DSM-III published in 1980 made some major changes, notably putting all personality disorders onto a second separate 'axis' along with "mental retardation", intended to signify more enduring patterns, distinct from what were considered axis one mental disorders. 'Inadequate' and 'asthenic' personality disorder' categories were deleted, and others were expanded into more types, or changed from being personality disorders to regular disorders. Sociopathic personality disorder, which had been the term for psychopathy, was renamed Antisocial Personality Disorder. Most categories were given more specific 'operationalized' definitions, with standard criteria psychiatrists could agree on to conduct research and diagnose patients.[161] In the DSM-III revision, self-defeating personality disorder and sadistic personality disorder were included as provisional diagnoses requiring further study. They were dropped in the DSM-IV, though a proposed 'depressive personality disorder' was added; in addition, the official diagnosis of passive–aggressive personality disorder was dropped, tentatively renamed 'negativistic personality disorder.'[162]

International differences have been noted in how attitudes have developed towards the diagnosis of personality disorder. Kurt Schneider argued they were 'abnormal varieties of psychic life' and therefore not necessarily the domain of psychiatry, a view said to still have influence in Germany today. British psychiatrists have also been reluctant to address such disorders or consider them on par with other mental disorders, which has been attributed partly to resource pressures within the National Health Service, as well as to negative medical attitudes towards behaviors associated with personality disorders. In the US, the prevailing healthcare system and psychoanalytic tradition has been said to provide a rationale for private therapists to diagnose some personality disorders more broadly and provide ongoing treatment for them.[163]

## See also

Note: This topic belongs to "Psychology" portal

* Clinical psychology
* Dangerous and severe personality disorder
* Personality psychology
* Structured Clinical Interview for DSM

## References

1. ↑ "6D10 Personality disorder". World Health Organization. January 2025. https://icd.who.int/browse/latest-release/mms/en#941859884.
2. ↑ 2.0 2.1 2.2 American Psychiatric Association (2013). Diagnostic and Statistical Manual of Mental Disorders (Fifth ed.). Arlington, VA: American Psychiatric Publishing. pp. 646–49. ISBN 978-0-89042-555-8. https://books.google.com/books?id=-JivBAAAQBAJ.
3. ↑ 3.00 3.01 3.02 3.03 3.04 3.05 3.06 3.07 3.08 3.09 3.10 3.11 3.12 Ekselius, Lisa (2 October 2018). "Personality disorder: a disease in disguise". Upsala Journal of Medical Sciences 123 (4): 194–204. doi:10.1080/03009734.2018.1526235. PMID 30539674. This article incorporates text from this source, which is available under the CC BY 4.0 license.
4. ↑ Bax, Orestis Kanter; Chartonas, Dimitrios; Parker, Jennie; Symniakou, Spyridon; Lee, Tennyson (2023-09-04). "Personality disorder" (in en). BMJ 382. doi:10.1136/bmj-2019-050290. ISSN 1756-1833. https://www.bmj.com/lookup/doi/10.1136/bmj-2019-050290.
5. ↑ Lingiardi, Vittorio; Muzi, Laura; Boldrini, Tommaso (2024), Fiorillo, Andrea; Falkai, Peter; Gorwood, Philip, eds., "Personality Disorders: Diagnosis, Assessment, and Intervention Strategies", Mental Health Research and Practice: From Evidence to Experience (Cambridge: Cambridge University Press): pp. 355–392, doi:10.1017/9781009067287.021, ISBN 978-1-009-06597-9, https://www.cambridge.org/core/books/mental-health-research-and-practice/personality-disorders/7D3549EA508C62AB18BED0C6D7CD0CB0, retrieved 2026-01-19
6. ↑ 6.0 6.1 García, Luis F.; Gutiérrez, Fernando; García, Oscar; Aluja, Anton (2024-07-12). "The Alternative Model of Personality Disorders: Assessment, Convergent and Discriminant Validity, and a Look to the Future" (in en). Annual Review of Clinical Psychology 20: 431–455. doi:10.1146/annurev-clinpsy-081122-010709. ISSN 1548-5943. https://www.annualreviews.org/content/journals/10.1146/annurev-clinpsy-081122-010709.
7. ↑ "Personality disorder prevalence in psychiatric outpatients: a systematic literature review". Personality and Mental Health 8 (2): 91–101. May 2014. doi:10.1002/pmh.1252. PMID 24431304. https://durham-repository.worktribe.com/output/1472370.
8. ↑ "Classification, assessment, prevalence, and effect of personality disorder". Lancet 385 (9969): 717–726. February 2015. doi:10.1016/s0140-6736(14)61995-4. PMID 25706217.
9. ↑ "Personality Disorders". International Encyclopedia of the Social & Behavioral Sciences: 11301–11308. 2001. doi:10.1016/B0-08-043076-7/03763-3. ISBN 978-0-08-043076-8.
10. ↑ Severe personality disorders: psychotherapeutic strategies. New Haven: Yale University Press. 1984. ISBN 978-0-300-05349-4.
11. ↑ 11.0 11.1 "Dimensions of DSM-IV personality disorders and life-success". Journal of Personality Disorders 21 (6): 657–663. December 2007. doi:10.1521/pedi.2007.21.6.657. PMID 18072866.
12. ↑ "Meta-Analysis and Systematic Review Assessing the Efficacy of Dialectical Behavior Therapy (DBT)". Research on Social Work Practice 24 (2): 213–223. March 2014. doi:10.1177/1049731513503047. PMID 30853773.
13. ↑ "Dialectical behavior therapy for borderline personality disorder: a meta-analysis using mixed-effects modeling". Journal of Consulting and Clinical Psychology 78 (6): 936–951. December 2010. doi:10.1037/a0021015. PMID 21114345.
14. ↑ "The effectiveness of evidence-based treatments for personality disorders when comparing treatment-as-usual and bona fide treatments". Clinical Psychology Review 33 (8): 1057–1066. December 2013. doi:10.1016/j.cpr.2013.08.003. PMID 24060812.
15. ↑ "There are few disorders that carry such a stigma as personality disorders". https://www.helpseeker.net/Personality-disorders/there-are-few-disorders-that-carry-such-a-stigma-as-personality-disorders.
16. ↑ Psychoanalytic Diagnosis, Second Edition: Understanding Personality Structure in the Clinical Process. Guilford Press. 29 July 2011. pp. 196–. ISBN 978-1-60918-494-0. https://books.google.com/books?id=BzPOAWB2DncC&pg=PA196.
17. ↑ "Chapter 1: Classification, prevalence, and etiology of personality disorders: Related issues and controversy". Handbook of personality disorders: theory and practice. Wiley. 2004. ISBN 0-471-20116-2. OCLC 52429596.
18. ↑ 18.0 18.1 Disorders of Personality: DSM-IV and Beyond. New York: John Wiley & Sons, Inc.. 1996. p. 226. ISBN 978-0-471-01186-6.
19. ↑ "European views on personality disorders: a conceptual history". Comprehensive Psychiatry 34 (1): 14–30. 1993. doi:10.1016/0010-440X(93)90031-X. PMID 8425387.
20. ↑ 20.0 20.1 Monaghan, Conal; Bizumic, Boris (2023-03-07). "Dimensional models of personality disorders: Challenges and opportunities" (in English). Frontiers in Psychiatry 14. doi:10.3389/fpsyt.2023.1098452. ISSN 1664-0640. PMID 36960458.
21. ↑ 21.0 21.1 21.2 21.3 21.4 Bach, Bo; First, Michael B. (2018-10-29). "Application of the ICD-11 classification of personality disorders". BMC Psychiatry 18 (1): 351. doi:10.1186/s12888-018-1908-3. ISSN 1471-244X. PMID 30373564.
22. ↑ 22.0 22.1 22.2 22.3 Day, Nicholas J. S.; Green, Ava; Denmeade, Georgia; Bach, Bo; Grenyer, Brin F. S. (2024). "Narcissistic personality disorder in the ICD-11: Severity and trait profiles of grandiosity and vulnerability" (in en). Journal of Clinical Psychology 80 (8): 1917–1936. doi:10.1002/jclp.23701. ISSN 1097-4679. PMID 38742471. https://onlinelibrary.wiley.com/doi/abs/10.1002/jclp.23701.
23. ↑ 23.0 23.1 23.2 McCabe, Gillian A.; Widiger, Thomas A. (January 2020). "A comprehensive comparison of the ICD-11 and DSM–5 section III personality disorder models." (in en). Psychological Assessment 32 (1): 72–84. doi:10.1037/pas0000772. ISSN 1939-134X. PMID 31580095. https://doi.apa.org/doi/10.1037/pas0000772.
24. ↑ 24.0 24.1 Zimmermann, Johannes; Kerber, André; Rek, Katharina; Hopwood, Christopher J.; Krueger, Robert F. (2019-08-13). "A Brief but Comprehensive Review of Research on the Alternative DSM-5 Model for Personality Disorders" (in en). Current Psychiatry Reports 21 (9): 92. doi:10.1007/s11920-019-1079-z. ISSN 1535-1645. PMID 31410586.
25. ↑ Morey, Leslie C.; Benson, Kathryn T.; Busch, Alexander J.; Skodol, Andrew E. (April 2015). "Personality Disorders in DSM-5: Emerging Research on the Alternative Model" (in en). Current Psychiatry Reports 17 (4). doi:10.1007/s11920-015-0558-0. ISSN 1523-3812. PMID 25749746. http://link.springer.com/10.1007/s11920-015-0558-0.
26. ↑ Zimmermann, J., Kerber, A., Rek, K., Hopwood, C. J., & Krueger, R. F. (2019). Integrating clinical and personality assessment: Toward the development of a shared framework. Journal of Personality Assessment, 101(3), 292–304. doi:10.1080/00223891.2018.1483373.
27. ↑ 27.0 27.1 Clark, Lee Anna (2025-05-01). "Wherefrom and Whither PD? Recent Developments and Future Possibilities in DSM-5 and ICD-11 Personality Disorder Diagnosis" (in en). Current Psychiatry Reports 27 (5): 267–277. doi:10.1007/s11920-025-01602-y. ISSN 1535-1645. PMID 40108080.
28. ↑ Stetka, Bret S.; Correll, Christoph U.. "A Guide to DSM-5" (in en). p. 8. https://www.medscape.com/viewarticle/803884_8.
29. ↑ Fariba, Kamron A.; Gupta, Vikas; Torrico, Tyler J.; Kass, Ethan (2025), "Personality Disorder", StatPearls (Treasure Island (FL): StatPearls Publishing), PMID 32310518, http://www.ncbi.nlm.nih.gov/books/NBK556058/, retrieved 2025-07-16
30. ↑ "Personality Disorders". Diagnostic and statistical manual of mental disorders: DSM-5 (5th ed.). Washington, D.C: American Psychiatric Association. 2013. pp. 682–684. ISBN 978-0-89042-554-1.
31. ↑ Diagnostic and statistical manual of mental disorders: DSM-5 (5th ed.). Washington, D.C: American Psychiatric Association. 2013. p. 683. ISBN 978-0-89042-554-1. "The essential feature of a personality change due to another medical condition is a persistent personality disturbance that is judged to be due to the direct pathophysiological effects of a medical condition."
32. ↑ "Overview of Personality Disorders - Psychiatric Disorders" (in en-US). https://www.merckmanuals.com/professional/psychiatric-disorders/personality-disorders/overview-of-personality-disorders.
33. ↑ 33.0 33.1 Rodriguez-Seijas, Craig; Ruggero, Camilo; Eaton, Nicholas R.; Krueger, Robert F. (2019-12-01). "The DSM-5 Alternative Model for Personality Disorders and Clinical Treatment: a Review" (in en). Current Treatment Options in Psychiatry 6 (4): 284–298. doi:10.1007/s40501-019-00187-7. ISSN 2196-3061.
34. ↑ Buer Christensen, Tore; Hummelen, Benjamin; Paap, Muirne C. S.; Eikenaes, Ingeborg; Selvik, Sara Germans; Kvarstein, Elfrida; Pedersen, Geir; Bender, Donna S. et al. (December 2020). "Evaluation of Diagnostic Thresholds for Criterion A in the Alternative DSM-5 Model for Personality Disorders". Journal of Personality Disorders 34 (Supplement C): 40–61. doi:10.1521/pedi_2019_33_455. ISSN 0885-579X. PMID 31682197. https://guilfordjournals.com/doi/10.1521/pedi_2019_33_455.
35. ↑ Mulay, Abby L.; Cain, Nicole M.; Waugh, Mark H.; Hopwood, Christopher J.; Adler, Jonathan M.; Garcia, Darren J.; Kurtz, John E.; Lenger, Katherine A. et al. (2018-11-02). "Personality Constructs and Paradigms in the Alternative DSM-5 Model of Personality Disorder" (in en). Journal of Personality Assessment 100 (6): 593–602. doi:10.1080/00223891.2018.1477787. ISSN 0022-3891. PMID 29902081. https://www.tandfonline.com/doi/full/10.1080/00223891.2018.1477787.
36. ↑ Clark, Lee Anna; Vanderbleek, Emily N.; Shapiro, Jaime L.; Nuzum, Hallie; Allen, Xia; Daly, Elizabeth; Kingsbury, Thomas J.; Oiler, Morgan et al. (2015-02-01). "The Brave New World of Personality Disorder-Trait Specified: Effects of Additional Definitions on Coverage, Prevalence, and Comorbidity" (in EN). Psychopathology Review a2 (1): 52–82. doi:10.5127/pr.036314. ISSN 2051-8315. PMID 26097740.
37. ↑ Sharp, Carla; Clark, Lee Anna; Balzen, Kennedy M.; Widiger, Tom; Stepp, Stephanie; Zimmerman, Mark; Krueger, Robert F. (2025). "The validity, reliability and clinical utility of the Alternative DSM-5 Model for Personality Disorders (AMPD) according to DSM-5 revision criteria" (in en). World Psychiatry 24 (3): 319–340. doi:10.1002/wps.21339. ISSN 2051-5545. PMID 40948060.
38. ↑ Bach, Bo; Kramer, Ueli; Doering, Stephan; di Giacomo, Ester; Hutsebaut, Joost; Kaera, Andres; De Panfilis, Chiara; Schmahl, Christian et al. (2022-04-01). "The ICD-11 classification of personality disorders: a European perspective on challenges and opportunities". Borderline Personality Disorder and Emotion Dysregulation 9 (1): 12. doi:10.1186/s40479-022-00182-0. ISSN 2051-6673. PMID 35361271.
39. ↑ Bangash, Ayesha (2024). "Personality difficulty: A useful addition to the literature on personality disturbance" (in en). Personality and Mental Health 18 (4): 435–437. doi:10.1002/pmh.1638. ISSN 1932-863X. PMID 39358823. https://onlinelibrary.wiley.com/doi/abs/10.1002/pmh.1638.
40. ↑ 40.0 40.1 40.2 40.3 Swales, Michaela A. (December 2022). "Personality Disorder Diagnoses in ICD-11: Transforming Conceptualisations and Practice". Clinical Psychology in Europe 4 (Spec Issue). doi:10.32872/cpe.9635. ISSN 2625-3410. PMID 36760321. This article incorporates text from this source, which is available under the CC BY 4.0 license.
41. ↑ Department of Psychiatry and Psychotherapy, Medical Faculty, LVR-Klinikum Düsseldorf, Heinrich-Heine-University, Düsseldorf, Germany; Gaebel, Wolfgang; WHO Collaborating Centre on Quality Assurance and Empowerment in Mental Health, Düsseldorf, Germany; Kerst, Ariane; Department of Psychiatry and Psychotherapy, Medical Faculty, LVR-Klinikum Düsseldorf, Heinrich-Heine-University, Düsseldorf, Germany; WHO Collaborating Centre on Quality Assurance and Empowerment in Mental Health, Düsseldorf, Germany; Stricker, Johannes; Department of Psychiatry and Psychotherapy, Medical Faculty, LVR-Klinikum Düsseldorf, Heinrich-Heine-University, Düsseldorf, Germany et al. (2020-12-24). "Classification and Diagnosis of Schizophrenia or Other Primary Psychotic Disorders: Changes from Icd-10 to Icd-11 and Implementation in Clinical Practice". Psychiatria Danubina 32 (3–4): 320–324. doi:10.24869/psyd.2020.320. PMID 33370728. http://www.psychiatria-danubina.com/UserDocsImages/pdf/dnb_vol32_no3-4/dnb_vol32_no3-4_320.pdf. "Schizotypal disorder is defined as an enduring pattern of unusual speech, perceptions, beliefs, and behaviours of insufficient intensity to meet requirements for another psychotic disorder in ICD-10 and in ICD11. Yet, schizotypal disorder may be a possible predecessor of schizophrenia (Jablensky 2011, Stein et al. 2020) and is therefore kept in the ICD-11 chapter of primary psychotic disorders, contrary to DSM-5 which classifies schizotypal disorder as a personality disorder.".
42. ↑ 42.0 42.1 Theodore Millon (2004). Personality Disorders in Modern Life . Wiley, 2nd Edition. ISBN 0-471-23734-5. (GoogleBooks Preview).
43. ↑ 43.0 43.1 "Personality disorders". 14 July 2023. https://www.mayoclinic.org/diseases-conditions/personality-disorders/symptoms-causes/syc-20354463.
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45. ↑ 45.0 45.1 45.2 45.3 45.4 "Prevalence, correlates, and disability of personality disorders in the United States: results from the national epidemiologic survey on alcohol and related conditions". The Journal of Clinical Psychiatry 65 (7): 948–958. July 2004. doi:10.4088/JCP.v65n0711. PMID 15291684.
46. ↑ Del Giudice, Marco (2018), Del Giudice, Marco, ed., "Individual and Sex Differences" (in en), Evolutionary Psychopathology (Oxford University Press): pp. 68–94, doi:10.1093/med-psych/9780190246846.003.0003, ISBN 978-0-19-024684-6, https://academic.oup.com/book/1052/chapter/138261824, retrieved 2024-06-08
47. ↑ Mitchell, Kevin J. (2018). Innate: how the wiring of our brains shapes who we are. Princeton: Princeton University Press. pp. 54, 84–86. ISBN 978-0-691-17388-7.
48. ↑ 48.0 48.1 "Child abuse and neglect and the development of mental disorders in the general population". Development and Psychopathology 13 (4): 981–999. 2001. doi:10.1017/S0954579401004126. PMID 11771917.
49. ↑ "What Causes Psychological Disorders?". American Psychological Association. 2010. http://apa.org/topics/personality/disorders-causes.aspx.
50. ↑ 50.0 50.1 50.2 "Socioeconomic background and the developmental course of schizotypal and borderline personality disorder symptoms". Development and Psychopathology 20 (2): 633–650. April 2008. doi:10.1017/S095457940800031X. PMID 18423098.
51. ↑ "Lack of Breastfeeding: A Potential Risk Factor in the Multifactorial Genesis of Borderline Personality Disorder and Impaired Maternal Bonding". Journal of Personality Disorders 29 (5): 610–626. October 2015. doi:10.1521/pedi_2014_28_160. PMID 25248013.
52. ↑ Ericka Ball Cooper, Amanda Venta, Carla Sharp (2018). "The role of maternal care in borderline personality disorder and dependent life stress" (in en). Borderline Personality Disorder and Emotion Dysregulation 5. doi:10.1186/s40479-018-0083-y. PMID 29588857.
53. ↑ "What causes personality disorders?" (in en). http://www.apa.org/topics/personality/disorders-causes.aspx.
54. ↑ 54.0 54.1 "Cluster A Personality Disorders: Schizotypal, Schizoid and Paranoid Personality Disorders in Childhood and Adolescence". Journal of Psychopathology and Behavioral Assessment 32 (4): 515–528. December 2010. doi:10.1007/s10862-010-9183-8. PMID 21116455.
55. ↑ "How does Socio-Economic Status Shape a Child's Personality?". Human Capital and Economic Opportunity Global Working Group. February 2015. https://econresearch.uchicago.edu/sites/econresearch.uchicago.edu/files/Deckers_Falk_etal_2016_SES-child-personality.pdf. Retrieved 9 August 2017.
56. ↑ "Girls' quality of life prior to detention in relation to psychiatric disorders, trauma exposure and socioeconomic status". Quality of Life Research 24 (6): 1419–1429. June 2015. doi:10.1007/s11136-014-0878-2. PMID 25429824.
57. ↑ "Socioeconomic-status and mental health in a personality disorder sample: the importance of neighborhood factors". Journal of Personality Disorders 27 (6): 820–831. December 2013. doi:10.1521/pedi_2012_26_061. PMID 22984860.
58. ↑ "Volumes of the hippocampus and amygdala in patients with borderline personality disorder: a meta-analysis". Journal of Personality Disorders 23 (4): 333–345. August 2009. doi:10.1521/pedi.2009.23.4.333. PMID 19663654.
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109. ↑ "Mindfulness Interventions". Annual Review of Psychology 68: 491–516. January 2017. doi:10.1146/annurev-psych-042716-051139. PMID 27687118.
110. ↑ 110.0 110.1 110.2 110.3 Marin, Lea K.; Foster, Celia; Goodman, Marianne (2022), Huprich, Steven K., ed., "Pharmacotherapy for personality disorders." (in en), Personality disorders and pathology: Integrating clinical assessment and practice in the DSM-5 and ICD-11 era. (Washington: American Psychological Association): pp. 305–321, doi:10.1037/0000310-014, ISBN 978-1-4338-3576-6, https://content.apa.org/books/17272-014, retrieved 2025-07-13
111. ↑ Khalifa, Najat R; Gibbon, Simon; Völlm, Birgit A; Cheung, Natalie H-Y; McCarthy, Lucy (2020-09-03). "Pharmacological interventions for antisocial personality disorder". Cochrane Database of Systematic Reviews 2020 (9). doi:10.1002/14651858.CD007667.pub3. PMID 32880105.
112. ↑ Gibbon, Simon; Khalifa, Najat R; Cheung, Natalie H-Y; Völlm, Birgit A; McCarthy, Lucy (2020-09-03). "Psychological interventions for antisocial personality disorder". Cochrane Database of Systematic Reviews 2020 (9). doi:10.1002/14651858.CD007668.pub3. PMID 32880104.
113. ↑ "Antipsychotics are commonly prescribed to people with personality disorders, contrary to guidelines" (in en). NIHR Evidence. 2022-11-10. doi:10.3310/nihrevidence_54520. https://evidence.nihr.ac.uk/alert/antipsychotics-commonly-prescribed-people-personality-disorders-contrary-guidelines/.
114. ↑ "Prescribing of antipsychotics among people with recorded personality disorder in primary care: a retrospective nationwide cohort study using The Health Improvement Network primary care database". BMJ Open 12 (3). March 2022. doi:10.1136/bmjopen-2021-053943. PMID 35264346.
115. ↑ "Psychoanalytic diagnosis: understanding personality structure in the clinical process". Psychoanalytic Psychotherapy 28 (2): 233–234. 2014-04-03. doi:10.1080/02668734.2014.909673. ISSN 0266-8734.
116. ↑ Murray, Robin M. et al (2008). Psychiatry. Fourth Edition. Cambridge University Press. ISBN 978-0-521-60408-6.
117. ↑ "Treatment rejecting and treatment seeking personality disorders: Type R and Type S". Journal of Personality Disorders 17 (3): 263–268. June 2003. doi:10.1521/pedi.17.3.263.22152. PMID 12839104.
118. ↑ "Principles of managing patients with personality disorder". Advances in Psychiatric Treatment 8 (1): 1–9. 2002. doi:10.1192/apt.8.1.1.
119. ↑ Wu, Tina; Hu, Jennifer; Davydow, Dimitry; Huang, Heather; Spottswood, Margaret; Huang, Hsiang (2022). "Demystifying borderline personality disorder in primary care". Frontiers in Medicine 9. doi:10.3389/fmed.2022.1024022. ISSN 2296-858X. PMID 36405597. "Creating a safe environment while firmly establishing boundaries within the patient-provider relationship is critical when treating patients with BPD. However, setting boundaries in a way that simultaneously reinforces the therapeutic alliance can be challenging. We recommend establishing boundaries from the beginning, as this can help eliminate the risk of surprise and potential outrage when patients' needs cannot be immediately met.".
120. ↑ BENDER, DONNA S. (March 2005). "The Therapeutic Alliance in the Treatment of Personality Disorders". Journal of Psychiatric Practice 11 (2): 73–87. doi:10.1097/00131746-200503000-00002. ISSN 1538-1145. PMID 15803042.
121. ↑ McVey, D. & Murphy, N. (eds.) (2010) Treating Personality Disorder: Creating Robust Services for People with Complex Mental Health Needs, ISBN 0-203-84115-8
122. ↑ Personality Disorders. Psychology Press. 2013. pp. 54–56. ISBN 978-1-317-83477-9. https://books.google.com/books?id=RwNmAgAAQBAJ&pg=PA54.
123. ↑ "Prevalence, Sociodemographics and Functional Impairment". The American Psychiatric Publishing textbook of personality disorders (Second ed.). Washington, DC. 2014. pp. 122–26. ISBN 978-1-58562-456-0. OCLC 601366312. https://books.google.com/books?id=TlKTAwAAQBAJ&pg=PA126.
124. ↑ "Personality disorders as a predictor of counterproductive knowledge behavior: the application of the Millon Clinical Multiaxial Inventory-IV". Journal of Knowledge Management 27 (8): 2249–2282. 2023. doi:10.1108/JKM-10-2021-0796. https://www.aserenko.com/papers/JKM_Personality_Disorders.pdf.
125. ↑ Oldham, John M., ed (2014). The American Psychiatric Publishing textbook of personality disorders (Second ed.). Washington, DC: American Psychiatric Publishing, a Division of American Psychiatric Association. ISBN 978-1-58562-456-0.
126. ↑ Serenko, Alexander (2023-10-19). "Personality disorders as a predictor of counterproductive knowledge behavior: the application of the Millon Clinical Multiaxial Inventory-IV" (in en). Journal of Knowledge Management 27 (8): 2249–2282. doi:10.1108/JKM-10-2021-0796. ISSN 1367-3270. https://www.emerald.com/insight/content/doi/10.1108/JKM-10-2021-0796/full/html.
127. ↑ Schultz, Izabela Z., ed (2011). Work accommodation and retention in mental health. New York: Springer. ISBN 978-1-4419-0427-0. OCLC 705888562.
128. ↑ Ettner, Susan L.; Maclean, Johanna Catherine; French, Michael T. (January 2011). "Does Having a Dysfunctional Personality Hurt Your Career? Axis II Personality Disorders and Labor Market Outcomes: Axis II Personality Disorders and Labor Market Outcomes" (in en). Industrial Relations: A Journal of Economy and Society 50 (1): 149–173. doi:10.1111/j.1468-232X.2010.00629.x. PMID 22053112.
129. ↑ Board, Belinda Jane; Fritzon, Katarina (March 2005). "Disordered personalities at work" (in en). Psychology, Crime & Law 11 (1): 17–32. doi:10.1080/10683160310001634304. ISSN 1068-316X. http://www.tandfonline.com/doi/abs/10.1080/10683160310001634304.
130. ↑ Dearlove, Des (September 2003). "Interview: Manfred Kets de Vries: The Dark Side of Leadership" (in en). Business Strategy Review 14 (3): 25–28. doi:10.1111/1467-8616.00269. ISSN 0955-6419. https://onlinelibrary.wiley.com/doi/10.1111/1467-8616.00269.
131. ↑ "Social function, clinical symptoms and personality disturbance". Irish Journal of Psychological Medicine 21 (1): 18–21. March 2004. doi:10.1017/S0790966700008090. PMID 30308726.
132. ↑ "The use of Schneider's typology for the diagnosis of personality disorders--an examination of reliability". The British Journal of Psychiatry 135 (2): 238–242. September 1979. doi:10.1192/bjp.135.2.163. PMID 486849.
133. ↑ "Epidemiology of personality disorders". The Psychiatric Clinics of North America 31 (3): 395–403, vi. September 2008. doi:10.1016/j.psc.2008.03.003. PMID 18638642.
134. ↑ 134.0 134.1 134.2 134.3 134.4 134.5 134.6 "Sex Differences in Personality Disorders". Current Psychiatry Reports 20 (12). October 2018. doi:10.1007/s11920-018-0975-y. PMID 30306417.
135. ↑ "DSM-IV personality disorders in the WHO World Mental Health Surveys". The British Journal of Psychiatry 195 (1): 46–53. July 2009. doi:10.1192/bjp.bp.108.058552. PMID 19567896.
136. ↑ "DSM-IV personality disorders in the National Comorbidity Survey Replication". Biological Psychiatry 62 (6): 553–564. September 2007. doi:10.1016/j.biopsych.2006.09.019. PMID 17217923.
137. ↑ "A Systematic Review and Meta-Analysis of Personality Disorder Prevalence and Patient Outcomes in Emergency Departments". Journal of Personality Disorders 34 (3): 324–347. June 2020. doi:10.1521/pedi_2018_32_400. PMID 30307832.
138. ↑ "Personality disorders: a nation-based perspective on prevalence". Innovations in Clinical Neuroscience 8 (4): 13–18. April 2011. PMID 21637629.
139. ↑ "Personality pathology recorded by severity: national survey". The British Journal of Psychiatry 197 (3): 193–199. September 2010. doi:10.1192/bjp.bp.110.078956. PMID 20807963.
140. ↑ "Personality disorders in homeless drop-in center clients". Journal of Personality Disorders 22 (6): 573–588. December 2008. doi:10.1521/pedi.2008.22.6.573. PMID 19072678. http://www.ncsinc.org/images/pdfs/JPD_article_winter_2008.pdf. Retrieved 31 January 2017. "With regard to Axis II, Cluster A personality disorders (paranoid, schizoid, schizotypal) were found in almost all participants (92% had at least one diagnosis), and Cluster B (83% had at least one of antisocial, borderline, histrionic, or narcissistic) and C (68% had at least one of avoidant, dependent, obsessive–compulsive) disorders also were highly prevalent".
141. ↑ 141.00 141.01 141.02 141.03 141.04 141.05 141.06 141.07 141.08 141.09 141.10 141.11 141.12 141.13 141.14 141.15 141.16 141.17 141.18 The Oxford Handbook of Personality Disorders. Oxford University Press. 2012. ISBN 978-0-19-973501-3. https://books.google.com/books?id=CTVpAgAAQBAJ.
142. ↑ "Paranoid personality disorder". Journal of Personality Disorders 27 (6): 795–805. December 2013. doi:10.1521/pedi_2012_26_055. PMID 22928850.
143. ↑ "Prevalence and correlates of personality disorder in Great Britain". The British Journal of Psychiatry 188 (5): 423–431. May 2006. doi:10.1192/bjp.188.5.423. PMID 16648528.
144. ↑ "Prevalence, correlates, disability, and comorbidity of DSM-IV schizotypal personality disorder: results from the wave 2 national epidemiologic survey on alcohol and related conditions". Primary Care Companion to the Journal of Clinical Psychiatry 11 (2): 53–67. 2009-05-16. doi:10.4088/pcc.08m00679. PMID 19617934.
145. ↑ 145.0 145.1 "Sex differences in antisocial personality disorder: results from the National Epidemiological Survey on Alcohol and Related Conditions". Personality Disorders 4 (3): 214–222. July 2013. doi:10.1037/a0031681. PMID 23544428.
146. ↑ "Gender-Typed Behavioral Examples of Histrionic Personality Disorder". Journal of Psychopathology and Behavioral Assessment 22 (2): 107–122. 2000. doi:10.1023/a:1007514522708. ISSN 0882-2689.
147. ↑ "Prevalence, correlates, disability, and comorbidity of DSM-IV narcissistic personality disorder: results from the wave 2 national epidemiologic survey on alcohol and related conditions". The Journal of Clinical Psychiatry 69 (7): 1033–1045. July 2008. doi:10.4088/jcp.v69n0701. PMID 18557663.
148. ↑ "Gender differences in narcissism: a meta-analytic review". Psychological Bulletin 141 (2): 261–310. March 2015. doi:10.1037/a0038231. PMID 25546498. http://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1004&context=pdharms.
149. ↑ "Prevalence, correlates, and comorbidity of DSM-IV obsessive-compulsive personality disorder: results from the National Epidemiologic Survey on Alcohol and Related Conditions". Journal of Psychiatric Research 46 (4): 469–475. April 2012. doi:10.1016/j.jpsychires.2012.01.009. PMID 22257387.
150. ↑ 150.0 150.1 Diagnostic and Statistical Manual of Mental Disorders (4th ed.). 1994.
151. ↑ American Psychiatric Association, ed (2013). Diagnostic and statistical manual of mental disorders: DSM-5 (5th ed.). Washington, D.C: American Psychiatric Association. pp. 770–771. ISBN 978-0-89042-554-1. "The current diagnoses of paranoid, schizoid, histrionic, and dependent personality disorders are represented also by the diagnosis of PD-TS; these are defined by moderate or greater impairment in personality functioning and can be specified by the relevant pathological personality trait combinations."
152. ↑ Mental Health, AlmostReal(2025) The Art of Cultivating a Balanced Lifestyle: Navigating Modernity with Grace
153. ↑ Jones, David W (2016). Disordered personalities and Crime: An analysis of the history of moral insanity. London: Routledge. ISBN 978-0-415-50217-7. https://www.routledge.com/Disordered-Personalities-and-Crime-An-analysis-of-the-history-of-moral-insanity/Jones/p/book/9780415502177?srsltid=AfmBOooWry5ffIxaOPsrHgeTqfiE03NWkojkepCx9b0GNmlCoKSe4E3n. Retrieved 23 August 2024.
154. ↑ "J C Prichard's concept of moral insanity--a medical theory of the corruption of human nature". Medical History 40 (3): 311–343. July 1996. doi:10.1017/S0025727300061329. PMID 8757717.
155. ↑ "Julius Ludwig August Koch (1841-1908): Christian, philosopher and psychiatrist". History of Psychiatry 19 (74 Pt 2): 202–214. June 2008. doi:10.1177/0957154X07080661. PMID 19127839. https://hal.archives-ouvertes.fr/hal-00570903/file/PEER_stage2_10.1177%2F0957154X07080661.pdf.
156. ↑ Ганнушкин П. Б. (2000). Клиника психопатий, их статика, динамика, систематика. Издательство Нижегородской государственной медицинской академии. ISBN 5-86093-015-1.
157. ↑ Личко А. Е. (2010) Психопатии и акцентуации характера у подростков. Речь, ISBN 978-5-9268-0828-2.
158. ↑ "The Confusion Over Psychopathy (I): Historical Considerations". International Journal of Offender Therapy and Comparative Criminology 45 (3): 325–44. 1 June 2001. doi:10.1177/0306624X01453005.
159. ↑ Amy Heim & Drew Westen (2004) Theories of personality and personality disorders
160. ↑ "The Surprising History of Passive–Aggressive Personality Disorder". Theory & Psychology 19 (1): 55–70. 1 February 2009. doi:10.1177/0959354308101419. http://www.christopherlane.org/documents/Lane.PAPDisorder.pdf.
161. ↑ Hoermann, Simone; Zupanick, Corinne E. and Dombeck, Mark (January 2011) The History of the Psychiatric Diagnostic System Continued. mentalhelp.net.
162. ↑ "Personality Disorders". Focus 3 (3): 372–82. 2005. doi:10.1176/foc.3.3.372. http://focus.psychiatryonline.org/doi/abs/10.1176/foc.3.3.372.
163. ↑ "The distinction between personality disorder and mental illness". The British Journal of Psychiatry 180 (2): 110–115. February 2002. doi:10.1192/bjp.180.2.110. PMID 11823318.

## Further reading

* "Personality Disorders.". Adult Psychopathology and Diagnosis.. New York: Wiley. 1997. pp. 508–541.
* Treating Severe Personality Disorder: Creating Robust Services for Clients with Complex Mental Health Needs.]. London: Routledge. 2010. http://www.pdmh-consultancy.com/publication-detail/4/.
* Disorders of personality: DSM-IV and beyond (2nd ed.). New York: Wiley. 1996. ISBN 978-0-471-01186-6.
* Fatal Flaws: Navigating Destructive Relationships With People With Disorders of Personality and Character (1st ed.). Washington, DC. 2005. ISBN 978-1-58562-214-6.

## External links

| Wikimedia Commons has media related to Personality disorder.

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Library resources about
Personality disorders

* * *

* Resources in your library

* Personality Disorders Foundation
* National Mental Health Association personality disorder fact sheet
* Personality Disorders information leaflet from The Royal College of Psychiatrists

Classification|

* ICD-11: 6D10
* ICD-10: F60
* ICD-9-CM: 301.9
* MeSH: D010554
* DiseasesDB: 9889
* SNOMED CT: 33449004

|

External resources|

* MedlinePlus: 000939
* eMedicine: article/294307

* v
* t
* e

ICD-10 personality disorders

Schizotypal|

* Schizotypal

Specific|

* Anankastic
* Anxious (avoidant)
* Dependent
* Dissocial
* Emotionally unstable
* Histrionic
* Paranoid
* Schizoid

Other|

* Eccentric
* Haltlose type
* Immature
* Narcissistic
* Passive–aggressive
* Psychoneurotic

Organic|

* Organic

Unspecified|

* Unspecified

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