Electrophysiological correlates of memory updating and decision making in binge drinkers

Electrophysiological correlates of memory updating and decision making in binge drinkers

Alcohol -- Physiological effect

Binge drinking

College students -- Alcohol use

Waters, Brandon Lee

2008

Acheson, Shawn

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Many college students experience negative consequences, such as unplanned sexual activity and violence, associated with binge drinking. However, others choose to limit their alcohol consumption and seldom experience these negative consequences. This study sought event-related potential (ERP) differences between binge drinkers and non-binge drinkers, which represent neurophysiological differences between members of these two groups. Particularly, the study focused on the error-related negativity potential (ERN) and the P300 potential. The binge drinker group consisted of 11 participants. The non-binge drinker group consisted of 8 students who reported having not binge drank in the last 30 days. Between groups analyses (MANOVAs) revealed no significant differences between the two groups on peak amplitude or peak latency measures of ERN and P300. Neither did t-tests reveal differences on the behavioral tasks designed to elicit these ERP's. Unfortunately, small sample size limited the power of each test and the overall power of the study. Thus, few data-supported conclusions can be drawn from the results. This allows a wide range of possibilities for future research into brain electrophysiological differences between binge drinkers and non-binge drinkers.

2015-06-09

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