{"id":17799,"date":"2015-07-02T00:00:00","date_gmt":"2015-07-02T00:00:00","guid":{"rendered":"https:\/\/cadca1stg.wpengine.com\/resource\/brain-activity-might-predict-promiscuity-and-binge-drinking-studies-find\/"},"modified":"2015-07-02T00:00:00","modified_gmt":"2015-07-02T00:00:00","slug":"brain-activity-might-predict-promiscuity-and-binge-drinking-studies-find","status":"publish","type":"resource","link":"https:\/\/www.cadca.org\/fr\/resource\/brain-activity-might-predict-promiscuity-and-binge-drinking-studies-find\/","title":{"rendered":"Brain Activity Might Predict Promiscuity and Binge Drinking, Studies Find"},"content":{"rendered":"

Research from two Duke University studies suggests researchers may be able to predict how likely young adults are to develop problem drinking or engage in risky sexual behavior in response to stress.<\/p>\n

The research is part of the ongoing Duke Neurogenetics Study (DNS), which began in 2010 to better understand how interactions between the brain, genome and environment shape risky behaviors that can predict mental illnesses including depression, anxiety, and addiction.<\/p>\n

\u201cBy knowing the biology that predicts risk, we hope to eventually change the biology — or at least meet that biology with other forces to stem the risk,\u201d said the senior author of both studies, Ahmad Hariri, professor of psychology and neuroscience at Duke University, in a news release.<\/p>\n

In both studies, the team used non-invasive functional MRI imaging to measure the activity of two brain areas that help shape opposing behaviors crucial for survival: the reward-seeking ventral striatum<\/em> and the threat-assessing amygdala.<\/em><\/p>\n

\u201cWe now have these two distinct profiles of risk that, in general, reflect imbalance in the function of typically complementary brain areas,\u201d Hariri said. \u201cIf you have high activity in both areas, no problem. If you have low activity in both areas, no problem. It\u2019s when they\u2019re out of whack that individuals may have problems with drinking.\u201d<\/p>\n

Balance in the activity of the ventral striatum<\/em> et le amygdala<\/em> also predicts sexual behavior, according to the second study.<\/p>\n

Hariri said that the next step to examine both risky sex and problem drinking is to add a third brain region: the prefrontal cortex, which is the brain\u2019s ultimate decision-maker. This part of the brain may help the researchers predict more accurately which individuals may engage in risky behaviors.<\/p>\n

\u201cThe key is that these are patterns present before problems emerge,\u201d especially in response to stress, Hariri said. \u201cIf we know this about an individual, we can anticipate the problems and anticipate what the nature of those problems will be. This knowledge brings us one step closer to preventing the problems altogether.\u201d<\/p>\n

The research was supported by Duke University and the National Institutes of Health and a Howard Hughes Medical Institute International Student Research fellowship.<\/p>\n

Read the alcohol use study here.<\/a><\/p>\n

Read the risky sex study here.<\/a><\/p>\n

\u00a0<\/p>","protected":false},"excerpt":{"rendered":"

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