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Laugh Laughing: How the Brain Learns From Mistakes

Laugh Laughing: How the Brain Learns From Mistakes

Learning from mistakes may be, in part, a matter of genetics.
New research shows that a certain gene glitch may make it harder to learn from negative feedback.
That gene glitch affects the number of receptors for the brain chemical dopamine.
Dopamine parks at dopamine receptors to do its job. Having fewer dopamine receptors is like having fewer parking spots at work -- you can't do your job if you're circling, looking for a parking spot.

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Men with fewer dopamine receptors were less responsive than the other men to negative feedback. But all of the men were good at learning from positive feedback.
The findings may shed new light on the link between fewer dopamine receptors and risky habits such as addiction and compulsive gambling, write the researchers.
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