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.
18378dsc_0028.jpg36756dsc_0029.jpg55135dsc_0030.jpg73513dsc_0037.jpg91891dsc_0038.jpg110270slide_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.
128648slide_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.
147026slide_3.jpgPeople who chose for the delayed reward showed activity in the occipital frontal cortex.
- version517
- creditscredits here
- abstractabstract here...
- header_headlineheadline here ...
- header_font_hex000000
- header_hexFFFFFF
- header_height30
- body_hex000000
- body_frame_hex000000
- controls_hex333333
- controls_styledefault
- footer_hexFFFFFF
- footer_font_hex000000
- footer_height15
- htmlbg_hexFFFFFF
- player_styledefault
- autoStartfalse
- autoShowCaptionsfalse
- display_sizesfalse
- display_headlinetrue
- display_footertrue
- showCreditstrue
- showCaptionstrue
- embed_stylefalse
- centertrue
- header_headline_fontArial
- caption_font_faceArial
- caption_font_size11
- footer_font_faceVerdana
- footer_font_size9
- scrub_previewfalse
- show_volumefalse
- transition_typecrossfade
- transition_time1
- show_thumbnailstrue
1198271557258Initial import