TED ED - How does your brain respond to pain?

Karen D. Davis talks about your brain on pain

View full lesson: http://ed.ted.com/lessons/how-does-your-brain-respond-to-pain-karen-d-davis Everyone experiences pain -- but why do some people react to the same painful stimulus in different ways? And what exactly is pain, anyway? Karen D. Davis walks you through your brain on pain, illuminating why the "pain experience" differs from person to person. Lesson by Karen D.