To add to the confusion, other personality disorders have been associated with criminal behavior and serial murder.

Psychopathy and sociopathy are two terms often used interchangeably, yet they describe different patterns of behavior rooted ...

Psychologist Leanne ten Brinke has spent decades studying toxic personality traits. What are the red flags to look out for among workmates, politicians and potential partners?

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Psychopaths aren't always violent. Most blend seamlessly into everyday life, appearing charming and normal until you get close ...

"The term sociopath is sometimes used to signify that origin of anti-social behavior. Now we know it's a lot more complicated." ...

If someone asked you to imagine a psychopath, who would you picture? Many of us might conjure an image of a violent criminal who will do anything without remorse to get what they want. After all, ...

Many people believe it is possible to recognize a psychopath by their eyes. But what can a person’s gaze really reveal?

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 ...