Pic Description: Expand detailed scan of the brain, University of California, San Diego researchers found that lead people to make such a choice also of the region, fear and anger are closely related to the original mood. Raw emotion and rational thinking and activities of relevant regional will also affect the final decision. Reported that people weigh the moral dilemma, the anterior prefrontal cortex of the middle part of the activities will encourage them to make altruistic choices. This area can also affect intelligence and learning ability. The authors, University of California San Diego professor of psychiatry and neuroscience Dealey Bhuj Manchester, said: "This study shows that the universal nature of human intelligence may have a neurobiological basis."