How to spot a psychopath

August 31, 2015

An article in International Business Times (UK) says recent studies show that there are other indicators of psychopathy aside from the classic lack of empathy.

Researchers say contagious yawning is a sign of empathy, and that psychopaths are less likely to yawn after seeing someone else yawn. Another clue is an impaired sense of smell, and certain speech patterns.

The article mentions a related UBC study, which found that psychopaths tended to use the past tense in describing their crime, and used more “uhms” and “ahs.”

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