Asked by: Anam Fishkind
medical health mental health

Can a pathological liar pass a polygraph?

Last Updated: 6th June, 2020

Many Pathological Liars Actually Believe TheirOwnLies
Some pathological liars are"functionallydelusional," Carroll says, meaning they actuallybelieve their ownlies and can even pass a liedetectortest.

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Herein, is pathological lying a mental disorder?

Pathological lying is not a formal diagnosis,buta doctor or therapist may recognize the behavior as a signofanother underlying condition, such as a personalitydisorderor factitious disorder. Thesedisorders includeoverlapping symptoms, includingcompulsivelying.

Subsequently, question is, do pathological liars know they are lying? Pathological liars do not feelrejected;they have high levels of self-assurance that helpthem liesuccessfully. Unlike those with histrionicpersonality,pathological liars are more verbally dramaticthan sexuallyflamboyant.

Similarly, can you fail a polygraph by being nervous?

Lying may be accompanied by feelings of guilt andstressexhibited by physiological symptoms detectable byapolygraph test. An honest person may be nervouswhentelling the truth and a liar may not have feelings of stressoranxiety. So it's very difficult to know the truth.

What is pathological lying a symptom of?

A pathological liar is someone wholiescompulsively. Some evidence from 2007 suggests thatissuesaffecting the central nervous system may predispose someonetopathological lying. Compulsive lying is also aknowntrait of some personality disorders, such as antisocialpersonalitydisorder.

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