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What is the medical term for a person with the tendency to lie?

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Anny asked:

you call persons with a tendency to steal “cleptomaniacs”. What is the medical term for a person with the tendency to lie?

7 Comments

  1. Lissa D says:

    Isn’t that person called a pathological liar? I’m not sure.

  2. Kayla C says:

    either pathological or compulsive liar,,,

  3. Beancounter says:

    Mythomaniac
    Pathological Liar

    In psychology, mythomania (also known as pseudologia fantastica or pathological lying) is a condition involving compulsive lying by a person with no obvious motivation. The affected person might believe their lies to be truth, and may have to create elaborate myths to reconcile them with other facts. Among famous mythomaniacs in history was King Frederik VII of Denmark.

    A pathological liar is someone who often embellishes his or her stories in a way that he or she believes will impress people. It may be that a pathological liar is different from a normal liar in that a pathological liar believes the lie he or she is telling to be true—at least in public—and is “playing” the role. He or she sometimes is seen to have a serious mental problem that needs to be rectified.

    It is not clear, however, that this is the case. It could also be that pathological liars know precisely what they are doing. Confused hashes of history and wishes are called confabulation. “Pathological liar” is a synonym for symptoms.

    Even though pathological lying is not recognized as a clinical disorder, legal court cases often require that you prove that the defendant is aware that he or she is lying. This proof is most important in cases of slander and/or liability. Pathological liars often actually convince themselves that they are telling the truth, which in turn can alter polygraph tests and other questioning.

    When caught in a lie, pathological liars tend to become hostile or try to disregard the fact they lied; often playing it off as a joke.

  4. NoahHope says:

    Smarter than you!

  5. lilysorrow says:

    Mythomanic and Pathological Liar.

  6. guru says:

    There are several conditions that include what someone else referred to as a “pathological liar.”

    Conduct disorder
    Oppositional/Defiant disorder
    Anti-social personality disorder (sociopath)

  7. Martin S says:

    Ministers, priests, rabbis, etc.

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