A part of the brain called the amygdala is an almond-shaped cluster of nerves that is important in processing emotion.
Researchers found that the amygdala was significantly larger in the altruists compared to those who had never donated an organ. Additionally, the amygdala in the altruists was extremely sensitive to the pictures of people displaying fear or distress. Psychopaths have significantly smaller, less active amygdalas. More evidence that the amygdala may be the brain's emotional compass, super-sensitive in altruists and blunted in psychopaths, who seem unresponsive to someone else's distress or fear.
http://www.npr.org/blogs/health/2014/09/22/349639464/the-biology-of-altruism-good-deeds-may-be-rooted-in-the-brain?utm_medium=RSS&utm_campaign=science
Researchers found that the amygdala was significantly larger in the altruists compared to those who had never donated an organ. Additionally, the amygdala in the altruists was extremely sensitive to the pictures of people displaying fear or distress. Psychopaths have significantly smaller, less active amygdalas. More evidence that the amygdala may be the brain's emotional compass, super-sensitive in altruists and blunted in psychopaths, who seem unresponsive to someone else's distress or fear.
http://www.npr.org/blogs/health/2014/09/22/349639464/the-biology-of-altruism-good-deeds-may-be-rooted-in-the-brain?utm_medium=RSS&utm_campaign=science
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