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Brain Shape Linked to Cocaine Addiction

(2/13/2013)

Brain Shape Linked to Cocaine Addiction
The New York Times
February 4, 2013

Sporadic cocaine users tend to have a larger frontal lobe, a region associated with self-control, while cocaine addicts are more likely to have small frontal lobes, according to the study, which was published in the journal Biological Psychiatry. While the nonaddicts shared a penchant for risk-taking behavior, the increased gray matter seemed to help them resist addiction by exerting more self-control and making more advantageous decisions. “They could take it or leave it,” said Karen Ersche, the lead author. Dr. Ersche said the findings reinforced the idea, now popular among addiction experts, that addiction depends less on character and more on biological makeup.

View the full article here: http://www.nytimes.com/2013/02/05/science/brain-shape-may-play-role-in-cocaine-addiction.html


Keywords: brain, shape, linked, cocaine, addiction



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