pathological liar

"Pathological liar refers to a liar that is compulsive or impulsive, lies on a regular basis and is unable to control their lying despite of foreseeing inevitable negative consequences or ultimate disclosure of the lie. Generally lies told by a pathological liar have self-defeating quality to them and don’t serve the long term material needs of the person. Pathological lying is generally caused by a combination of factors, which may include genetic components, dysfunctional or insecure childhood, dyslexia or other type of cerebral dysfunction. Such conditions may host environment that is likely to emerge chronic or pathological lying as an adaptive defense mechanism." […]