Society for Neuroscience / Gambling
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Once considered a character defect, gambling is now known to be a highly addictive disorder with neurological causes. Thanks to new advances in brain imaging, scientists are beginning to identify the neural mechanisms that go awry in the brains of pathological and problem gamblers. What they're learning from such research is also shedding light on how these same mechanisms determine individual risk tolerance - and influence the financial choices we all make throughout our lives.
http://www.sfn.org/index.cfm?pagename=brainBriefings_main