Pathological lying

Short description: Mental disorder

Pathological lying

Other names| Pseudologia fantastica, mythomania
Specialty| Psychiatry

Pathological lying, also known as mythomania and pseudologia fantastica, is a mental disorder in which the person habitually or compulsively lies.[1][2][3][4][5] The reason for such lies often serves no obvious purpose other than to paint oneself as a hero or victim depending on the circumstance.[6][7][8][9]

It was first described in the medical literature in 1895 by Anton Delbrück (de).[3] Although it is a controversial topic,[3] pathological lying has been defined as "falsification entirely disproportionate to any discernible end in view, may be extensive and very complicated, and may manifest over a period of years or even a lifetime".[2] A firm concept of the behaviour does not exist, nor any diagnostic criteria that health professionals accept widely; resulting in controversy regarding what it truly means to be a pathological liar.[10] Theories to explain the root causes include stress, an attempt to shift a locus of control to an internal one, and issues relating to low self-esteem.[11][12][13]

## Contents

* 1 Characteristics
* 2 Diagnosis
* 3 Psychopathy
* 4 Pathological liars
* 5 Epidemiology
* 6 See also
* 7 References
* 8 Further reading
* 9 External links

## Characteristics

Defining characteristics of pathological lying include:

* An internal motive for the behavior cannot be discerned clinically: e.g., long-lasting extortion or habitual spousal battery might cause a person to lie repeatedly, without the lying being a pathological symptom.[3]
* The stories told tend toward presenting the liar favorably. The liar "decorates their own person"[14] by telling stories that present them as the hero or the victim. For example, the person might be presented as being fantastically brave, as knowing or being related to many famous people, or as having great power, position, or wealth.

Some psychiatrists distinguish compulsive from pathological lying, while others consider them equivalent; yet others deny the existence of compulsive lying altogether; this remains an area of considerable controversy.[15]

## Diagnosis

Pathological lying is listed in the Diagnostic and Statistical Manual of Mental Disorders, although only as a symptom of other disorders such as psychopathy and antisocial, narcissistic, and histrionic personality disorders, not as a stand-alone diagnosis.[16] The ICD-10 disorder Haltlose personality disorder is strongly tied to pathological lying.[17]

It has been shown through lie detector tests that PF (pseudologia fantastica) patients exhibit arousal, stress, and guilt from their deception. This is different from psychopaths, who experience none of those reactions. People affected by antisocial disorder lie for external personal profit in the forms of money, sex, and power. PF is strictly internal. The difference between borderline personality disorder (BPD) and PF is that BPD patients desperately try to cope with their feeling of abandonment, mistreatment, or rejection by making empty threats of suicide or false accusations of abandonment. Pathological liars do not feel rejected; they have high levels of self-assurance that help them lie successfully. Unlike those with histrionic personality, pathological liars are more verbally dramatic than sexually flamboyant. Narcissists think they have achieved perfection and are unempathetic to others. PF patients do not show these anti-social behaviors; they often lie because they think their life is not interesting enough.[16]

The only diagnosis in the current system where purposeless, internally motivated deception is listed is axis I factitious disorder. This diagnosis deals with people who lie about having physical or psychological disorders. However, research must be done to confirm the individual does not in fact have a disorder. This may become troublesome due to the fact that medical records are sealed to the public. People with PF tend to lie about their identities and past history. Since the symptoms do not match up, the individual may go undiagnosed.[citation needed] Though they could well be diagnosed under the catch-all rubric of unspecified personality disorder (UPD) (ICD-10 code F69) or perhaps even under ICD-10 code F68.8 "Other specified disorder of adult personality and behaviour" as this defines itself as "This category should be used for coding any specified disorder of adult personality and behaviour that cannot be classified under any one of the preceding headings". Here the specified disorder is the lying for psychological reasons (not material ones e.g. sexual self-gratification etc.) and the behavior would also need to meet the necessary conditions to be viewed as a psychiatric illness.

## Psychopathy

Pathological lying is in Factor 1 of the Psychopathy Checklist (PCL).[18]

## Pathological liars

Lying is the act of both knowingly and intentionally or willfully making a false statement.[19] Normal lies are defensive and are told to avoid the consequences of truth telling. They are often white lies that spare another's feelings, reflect a pro-social attitude, and make civilized human contact possible.[16] Pathological lying can be described as an habituation of lying. It is when an individual consistently lies for no personal gain.[20]

There are many consequences of being a pathological liar. Due to lack of trust, most pathological liars' relationships and friendships fail. If this continues to progress, lying could become so severe as to cause legal problems, including, but not limited to, fraud.[21]

## Epidemiology

The average age of onset is 21 years when the level of intelligence is average or above average. Sufferers have also shown above average verbal skills as opposed to performance abilities.[22] Thirty percent of subjects had a chaotic home environment, where a parent or other family member had a mental disturbance. Its occurrence was found by the study to be equal in women and men.[14][16] Forty percent of cases reported central nervous system abnormality such as epilepsy, abnormal EEG findings, ADHD, head trauma, or CNS infection.[16]

## See also

## References

1. ↑ Hart, Christian L.; Curtis, Drew A. (7 September 2020). "What Is Pathological Lying" (in en). Psychology Today (Psychology Today). https://www.psychologytoday.com/us/blog/the-nature-deception/202009/what-is-pathological-lying. Retrieved 11 November 2020.
2. ↑ 2.0 2.1 Griffith, Ezra E. H.; Baranoski, Madelon; Dike, Charles C. (1 September 2005). "Pathological Lying Revisited". Journal of the American Academy of Psychiatry and the Law (American Academy of Psychiatry and the Law) 33 (3): 342–349. PMID 16186198. http://www.jaapl.org/cgi/pmidlookup?view=long&pmid=16186198. Retrieved 7 April 2019.
3. ↑ 3.0 3.1 3.2 3.3 Dike, Charles C. (June 1, 2008). Pathological Lying: Symptom or Disease?. 25. http://www.psychiatrictimes.com/display/article/10168/1162950.
4. ↑ "Pathological Liar: How to Cope with Someone's Compulsive Lies". Healthline. August 27, 2018. https://www.healthline.com/health/pathological-liar.
5. ↑ Curtis, Drew A.; Hart, Christian L. (December 2020). "Pathological Lying: Theoretical and Empirical Support for a Diagnostic Entity". Psychiatric Research and Clinical Practice 2 (2): 62–69. doi:10.1176/appi.prcp.20190046.
6. ↑ Thom R, Teslyar P, Friedman R. Pseudologia fantastica in the emergency department: a case report and review of the literature. Case Rep Psychiatry. 2017;2017:8961256.
7. ↑ Dike CC, Baranoski M, Griffith EEH. Pathological lying revisited. J Am Acad Psychiatry Law. 2005;33:342–349.
8. ↑ Treanor KE. Defining, understanding, and diagnosing pathological lying (pseudologia fantastica): an empirical and theoretical investigation into what constitutes pathological lying [Doctor of Psychology (Clinical) The�sis]. Wollongong, NSW: School of Psychology, University of Wollongong; 2012. Available at: http://ro.uow.edu.au/ theses/3811. Accessed December 2, 2019
9. ↑ Grey JS, Durns T, Kious BM. Pseudologia Fantastica: An Elaborate Tale of Combat-related PTSD. J Psychiatr Pract. 2020 May;26(3):241-245. doi: 10.1097/PRA.0000000000000462. PMID: 32421295.
10. ↑ Grey JS, Durns T, Kious BM. Pseudologia Fantastica: An Elaborate Tale of Combat-related PTSD. J Psychiatr Pract. 2020 May;26(3):241-245. doi: 10.1097/PRA.0000000000000462. PMID: 32421295.
11. ↑ Grey JS, Durns T, Kious BM. Pseudologia Fantastica: An Elaborate Tale of Combat-related PTSD. J Psychiatr Pract. 2020 May;26(3):241-245. doi: 10.1097/PRA.0000000000000462. PMID: 32421295.
12. ↑ Dike CC, Baranoski M, Griffith EEH. Pathological lying revisited. J Am Acad Psychiatry Law. 2005;33:342–349
13. ↑ Treanor KE. Defining, understanding, and diagnosing pathological lying (pseudologia fantastica): an empirical and theoretical investigation into what constitutes pathological lying [Doctor of Psychology (Clinical) The�sis]. Wollongong, NSW: School of Psychology, University of Wollongong; 2012. Available at: http://ro.uow.edu.au/ theses/3811. Accessed December 2, 2019
14. ↑ 14.0 14.1 Healy, Mary Tenney; Healy, William (2004). Pathological lying, accusation and swindling: a study in forensic psychology. Whitefish, MT: Kessinger. ISBN 978-1-4191-4030-3. [page needed]
15. ↑ "The Truth About Compulsive and Pathological Liars". http://psychologia.co/compulsive-and-pathological-liars/.
16. ↑ 16.0 16.1 16.2 16.3 16.4 "Pseudologia fantastica". Acta Psychiatrica Scandinavica 77 (1): 1–6. January 1988. doi:10.1111/j.1600-0447.1988.tb05068.x. PMID 3279719.
17. ↑ Kielholz, Arthur, Internationale Zeitschrift für Psychoanalyse XIX 1933 Heft 4, "Weh' dem, der lügt! Beitrag zum Problem der Pseudologia phantastica"
18. ↑ Skeem, J. L.; Polaschek, D. L. L.; Patrick, C. J.; Lilienfeld, S. O. (2011). "Psychopathic Personality: Bridging the Gap Between Scientific Evidence and Public Policy". Psychological Science in the Public Interest 12 (3): 95–162. doi:10.1177/1529100611426706. PMID 26167886. http://www.psychologicalscience.org/index.php/publications/journals/pspi/psychopathy.html.
19. ↑ Lying. (n.d.). Dictionary.com Unabridged. Retrieved September 26, 2011
20. ↑ "When Does Compulsive Lying Become a Pathological Disorder". March 12, 2021. https://www.unitedwecare.com/compulsive-lying-pathological-disorder.
21. ↑ Dike, Charles C. (1 June 2008). "Pathological lying: symptom or disease? Living with no permanent motive or benefit". Psychiatric Times 25 (7): 67–73. Gale A180555438.
22. ↑ Yong, Ed (2018-03-12). "How Psychopaths See the World" (in en). https://www.theatlantic.com/science/archive/2018/03/a-hidden-problem-at-the-heart-of-psychopathy/555335/.

## Further reading

* Hart CL; Curtis DC (2020). "What Is Pathological Lying?". Psychology Today
* Curtis, DC, Hart CL (2020). "Pathological Lying: Theoretical and Empirical Support for a Diagnostic Entity". Psychiatric Research & Clinical Practice. https://doi.org/10.1176/appi.prcp.20190046
* "Pseudologia fantastica, factitious disorder and impostership: a deception syndrome". Medicine, Science, and the Law 38 (3): 198–201. July 1998. doi:10.1177/002580249803800303. PMID 9717367.
* Newmark N; Adityanjee; Kay J (1999). "Pseudologia fantastica and factitious disorder: review of the literature and a case report". Comprehensive Psychiatry 40 (2): 89–95. doi:10.1016/S0010-440X(99)90111-6. PMID 10080254.

## External links

Classification|

|

* PubMed – pseudologia fantastica – related articles

* v
* t
* e

Psychopathy

Contexts|

* In fiction
* In the workplace

Characteristics|

* Anti-social behaviour
* Bold
* Callous
* Diminished empathy
* Disinhibited
* Grandiose
* Impulsive
* Lack of guilt
* Manipulative
* Pathological lying
* Remorseless
* Shallow affect
* Superficially charming

Related topics|

* Antisocial personality disorder
* Conduct disorder
* Dark triad
* Flying monkeys
* History of psychopathy
* Juvenile delinquency
* Machiavellianism
* Macdonald triad
* Narcissism
* Psychopathic Personality Inventory
* Psychopathy Checklist
* Sadistic personality disorder
* Sexual sadism disorder
* Sociopathy

Notable theorists|

* Hervey M. Cleckley
* George E. Partridge
* Robert D. Hare

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