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?

Detecting a Psychopathic Profile in a short chat requires tuning your ear to what science calls "deficient affective processing." A psychopath doesn't experience the world through the filter of ...

I love finding—or inventing—ways to categorize people. I agree with philosopher Isaiah Berlin, who observed, “Every classification throws light on something.” I’ve devised several of these, and of the ...

Research confirms that psychopaths are more inclined to lie to get what they want, and that they typically display a striking fearlessness – as if they have ice running through their veins.