Major moral decisions use general-purpose brain circuits to manage uncertainty

Harvard researchers have found that humans can make difficult moral decisions using the same brain circuits as those used in more mundane choices related to money and food. These circuits, also found in other animals, put together two critical pieces of information:  How good or bad are the things that might happen?  What are the odds that they will happen, depending on one's choice?  The results suggest that complex moral decisions need not rely on a specific "moral sense."read more

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