Additionally, men might experience different selection pressures than women, a fact that might contribute to the perceived relative rarity of psychopathy in females compared to males.

So far, nearly all neuroscientific investigations of psychopaths have been limited to males. While psychopathy exists in women, it appears more often and with greater severity in men, according to Rolf Wynn from the Department of Forensic Psychiatry in the University Hospital of North Norway and his colleagues. According to Wynn and his co-authors, th