A new study has revealed controversial results-the part of brain that feels other's pain is more strongly activated while watching enemies suffer rather than loved ones

"When you watch an action movie and the bad guy appears to be defeated, the moment of his demise draws our focus intensely," said Lisa Aziz-Zadeh of the Brain and Creativity Institute of the USC Dornsife College of Letters, Arts and Sciences. "We watch him closely to see whether he's really down for the count, because it's critical for predicting his potential for retribution in the future."
Aziz-Zadeh, who has a joint appointment with the USC Division of Occupational Science and Occupational Therapy, collaborated with lead author Glenn Fox, a PhD candidate at USC; and Mona Sobhani, formerly a grad student at USC and who is now a post-doctoral researcher at Vanderbilt University, on a study that appears in Frontiers in Psychology this month.
The study examined activity in the so-called "pain matrix" of the brain, a network that includes the insula cortex, the anterior cingulate, and the somatosensory cortices – regions known to activate when an individual watches another person suffer.
The pain matrix is thought to be a related to empathy – allowing us to understand another's pain. However, this study indicates that the pain matrix may be more involved in processing pain in general, and not necessarily tied to empathic processing.
Participants—all of them white, male, and Jewish—first watched videos of hateful, anti-Semitic individuals in pain and then other videos of tolerant, non-hateful individuals in pain. Their brains were scanned with functional Magnetic Resonance Imaging (fMRI) to show activity levels in the pain matrix.
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"The results further revealed the brain's flexibility in processing complex social situations." said Fox. "The brain uses the complete context of the situation to mount an appropriate response. In this case, the brain's response is likely tied to the relative increase in the need to attend to and understand the pain of the hateful person."
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Source-Eurekalert