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Treatments to stop drug addiction and over-eating must go beyond blocking the pleasure centers of the brain, say researchers.
Neuroscientist, Professor Bernard Balleine and colleagues report their study on the pleasure and reward systems in the brain in the Proceedings of the National Academy of Sciences.
It has long been known that creatures from lab rats to humans learn from experience what will give them rewards, says Balleine, of the University of Sydney’s Brain and Mind Research Institute.
For example, we seek out chocolate if we anticipate from past experience that eating it makes us feels good. Read more…

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