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Logo of agpsychBioMed Centralbiomed central web sitesearchsubmit a manuscriptregisterthis articleAnnals of General Psychiatry
 
Ann Gen Psychiatry. 2010; 9(Suppl 1): S231.
Published online 2010 April 22. doi:  10.1186/1744-859X-9-S1-S231
PMCID: PMC2991927

The necessity of a structured framework for considering pathological lying in the forensic context

Background

Although the psychiatric literature reveals no consensus over the concept of pathological lying, it systematically reflects the significance of this concept in forensic psychiatry. A growing number of case reports underline the implications of untruths in a legal context. This study aims to define these implications.

Materials and methods

Our bibliographic review of recent case reports strongly suggests that pathological liars share an extraordinary, yet paradoxical profile: individuals beyond suspicion, prominent men with social status (Judge Couwenberg and Professor Joseph Ellis) and women incarnating the graces of motherhood (later on to be diagnosed with Munchausen by Proxy) seeming particularly genuine and convincing, often driven by their lies to a clash with the judicial system or administrative structures (such as hospitals). This review also traces the historical development of pathological lying and its place in modern-day psychiatry.

Results

Pathological liars progressively merge into an apparent delusional establishment of a fictional self overwhelming the real one, state which is commonly described as a kind of "wish psychosis" in which the mastery of one's own lies is irremediably lost. Their ulterior engagement in criminal behaviour unfailingly underlines the lack of will in the act of lying as an end in itself.

Conclusions

Modern psychiatry fails to determine to which extent pathological lying reflects impairment in reality testing, therefore can not define pathological lying as a wilful act. Even though pathological lying doesn't reach the threshold of insanity, it should be better placed in the DSM so that a structured framework in forensic context could be established in the future.


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