The term "psychopath" refers to someone who does not follow the moral norms of their society and lacks empathy and remorse.

The term often evokes a mental image of a ruthless criminal or a serial killer. It’s a reasonable stereotype. Between one quarter and one third of convicted murderers are psychopaths, along with ...

The idea that psychopaths are all either criminals or—possibly—corporate executives is a popular one. New research suggests they may just be ordinary people.

Not all psychopaths are created equal. In America, about 1.2% of adult men and 0.3% to 0.7% of adult women are considered to have clinically significant levels of psychopathic traits, according to the ...

According to author Kevin Dutton, psychopaths have a distinct set of personality characteristics. Pictured is Anthony Perkins as Norman Bates in Psycho. Photo by: Mary Evans / UNIVERSAL PICTURES / ...

Do psychopaths yawn? Many studies support the notion that psychopaths don't have contagious yawning, as yawning is associated ...

Think psychopath and most of us will probably come up with fictional characters like Patrick Bateman, and famous serial killers like Ted Bundy or Jack the Ripper - maybe even Sherlock Holmes comes to ...

An intimate relationship between two people who are each incapable of true emotions may seem completely out of the realm of possibility. When one partner is a psychopath and the other is not, there ...

If I asked you to picture a psychopath, what kind of character might spring to your mind? Thanks to Hollywood, we may imagine them to be “American Psycho”’s (1992) blood-soaked Christian Bale revving ...