After its publication in 1991, the Psychopathy Checklist-Revised (PCL-R) became established as the “gold standard” for determining the extent to which an individual possesses psychopathic ...

When it comes to measuring psychopathy, perhaps the favorite instrument used by forensic psychologists and psychiatrists is the Hare Psychopathy Checklist-Revised (PCL-R), developed by Canadian ...

In November 2009, Robert Dixon took a test to determine whether he was a psychopath. After 26 years in prison, he was due for a parole hearing. In California, before a "lifer" like Dixon appears ...

Psychopathy, characterized by symptoms of emotional detachment, reduced guilt and empathy and a callous disregard for the rights and welfare of others, is a strong risk factor for immoral behavior.

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or ...

Sociopaths and psychopaths are two distinct subtypes of antisocial personality disorder. Psychopaths are typically less anxious and have an easier time holding a job than sociopaths. Stigma against ...

Psychopathy is one of the most widely recognized psychiatric diagnoses in popular culture, but a University of Toronto researcher says it’s time to reconsider what we think we know about the condition ...