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 ...

A recent study suggests that high psychopathic traits are linked to reduced thickness in brain regions responsible for processing emotions. This neural pattern appears consistently, regardless of a ...

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

Scientists have discovered what really separates a cold-blooded psychopath from the average person. A team from the University of Pennsylvania has uncovered stark differences in brain structure that ...