If you experience any technical difficulties with this video or would like to make an accessibility-related request, please send a message to [email protected]. Jean Decety, Professor, Psychology and Psychiatry, explains his research into pain responses and how physicians learn to turn off the part of the brain that activates feelings of empathy. Decety co-authored "Expertise Modulates the Perception of Pain in Others," published in October 2007, which discusses the necessary ability of a doctor to regulate pain perception in order to better treat patients.