Thursday, February 25, 2010

Brain's 'Fairness' Spot Found

Humans tend not to like unequal situations, and now scientists have found the first evidence that this behavior is reflected in the human brain. Here, an fMRI scan of a human brain showing activity in the striatum and prefrontal cortex, regions of the brain thought to be involved in how people evaluate rewards. Credit: Elizabeth Tricomi, Rutgers University.

From Live Science:

At some point in our lives, we've all cried "It's not fair!" In fact, it's human nature for us to dislike unequal situations, and we often try to avoid or remedy them. Now, scientists have identified the first evidence of this behavior's neurological underpinnings in the human brain.

The results show that the brain's reward center responds to unequal situations involving money in a way that indicates people prefer a level playing field, and may suggest why we care about the circumstances of others in the first place.

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