0boettiger_1.jpgCharlotte Boettiger, assistant professor of psychology at UNC, sought to find a cognitive difference between sober alcoholics and people without a history of substance abuse. The studyÕs fMRI images show that in alcoholics areas of the brain involved in decision making work differently. This substantiates alcoholism as a brain disease and provides clues for future medical and behavioral therapies.
13600dsc_0028.jpg29506dsc_0029.jpg44881dsc_0030.jpg56521slide_1a.jpgThe dorsal prefrontal cortex (left) and the posterior parietal cortex were active in people who choose short-term rewards and in people who had a variant of the COMT gene that leads to less dopamine.
112380slide_2.jpgThe parahippocampal gyrus is associated with emotional response. In this study, it was active in people who chose ÒnowÓ rewards, suggests that a person might be experiencing negative expectations of waiting for outcomes.
133761slide_3.jpgPeople who chose for the delayed reward showed activity in the occipital frontal cortex.
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- creditsProduction by Clinton Colmenares and Dan Sears
- abstractabstract here...
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dsc_0037.jpg- Charlotte BoettigerAsst. Prof. of Psychology54
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