Uploaded August 2013 | Updated September 2026, 1 week ago

---

Psychopaths display a notorious absence of compassion, but one study suggests they still have the ability to feel for others -- when they choose to.

Subscribe | bit.ly/stbym-sub
Homepage | bit.ly/stbym-hsw-home
Listen to us | bit.ly/stbym-itunes
Like us | bit.ly/stbym-fb
Follow us | bit.ly/stbym-twitter
Google+ | bit.ly/stbym-gplus