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 ...

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 ...

Does an academic's use of legal threats to stop a critical paper from being published subvert the peer review process, which is fundamental to modern scientific research? A leading psychopathy ...

Psychopaths share similarities in brain structure that differ to the rest of the population, a new study reveals, a discovery which could be crucial in developing our understanding of this personality ...

This is a guest post by Prajwal Ciryam, co-founder of Partisans.org. A former Fulbright Scholar to the UK, he is a medical student at Northwestern University and concurrently a PhD candidate at the ...

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.