How Does That Feel?

A new study shows that, contrary to our previous understanding, psychopaths can feel empathy. The difference between them and most people is that they can turn it on and off, and the default position, if you will, is off. This suggests that it might be possible to help people with this condition to switch it on and keep it on: http://news.ninemsn.com.au/technology/2013/07/25/13/16/psychopaths-can-switch-on-empathy