The terms psychopath and sociopath are often used interchangeably, but they aren't quite the same thing. To find out, we asked James Fallon, a neuroscientist at the University of California at ...

James Fallon, a neuroscientist at the UC Irvine ... But simply having the MAOA-L gene isn't enough to make someone a psychopath. The environment someone is exposed to is likely very important ...

For example, Professor James Fallon, who studies the biological basis of violence, discovered that his own brain scan showed similarities to those of violent psychopaths. He also realised he had ...