Symptoms of a sociopath include apathy ... to help make a diagnosis. One of the signature signs of ASPD is a lack of empathy. People with ASPD cannot acknowledge or identify with another ...

The terms psychopath and sociopath are often used interchangeably, but they aren't quite the same thing. So what's the difference, you ask? To find out, we asked James Fallon, a neuroscientist at ...