They concluded that the increase in white matter may somehow provide these "super-liars" with ''the cognitive capacity to lie." In a study in The British Journal of Psychiatry, scientists did brain scans on pathological liars and others, and found that the liars had more white matter in the brain's prefrontal cortex. Liars' brains may differ structurally from the average brain.
But they’ve debated whether these types of lying are symptoms or a disease. They know impulsivity and a need to impress could be linked to the habit. "I don't think we really know enough about the etiology of these to know if they should be considered a mental disorder," notes Ekman.įor example, experts don’t know for sure what drives the troublesome lying.
Neither compulsive nor pathological lying has been studied extensively, say Feldman and Ekman. The two lying types are pretty similar, he says, and actually, ''You could be a compulsive pathological liar." They ''continue to lie when they know you know they’re lying," Ekman says. "You often believe what they say - at least for a while." "Often, they’re pretty good liars," Ekman adds. I've actually been asked by the governor of California to comment on this." Ekman, they’re likely to say something like this: "You know, you made a really wise choice in asking my opinion. When you ask a compulsive liar for an opinion on an important issue, says Dr. "They tell the stories they think want to be heard," he says. Definitions are fluid, experts say.Ĭompulsive liars have a need to embellish and exaggerate, says Paul Ekman, PhD, a professor emeritus of psychology at the University of California in San Francisco and the author of Telling Lies, among other books. Out-of-control lying is known as compulsive or pathological lying.
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