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Extreme eaters show abnormal brain activity

Pictures of food revs up reward circuits in the obese, slows them down in severely underweight

3:11pm, April 5, 2012

CHICAGO — Certain brain areas are sluggish in people who eat too little and hyperactive in people who eat too much, a new study finds.

The results, presented April 3 at the annual meeting of the Cognitive Neuroscience Society, are based on brain activity in people who ranged from dangerously thin to morbidly obese. The findings help clarify the complicated relationship between the brain and food, and may even offer ways to treat conditions such as anorexia and obesity, said study coauthor Laura Holsen of Harvard Medical School and Brigham and Women’s Hospital.

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