Deleterious effects of alcohol intoxication: Diminished cognitive control and its behavioral consequences.
- 1 August 2003
- journal article
- Published by American Psychological Association (APA) in Journal of Abnormal Psychology
- Vol. 112 (3) , 476-487
- https://doi.org/10.1037/0021-843x.112.3.476
Abstract
The authors tested the hypothesis that impaired behavioral performance during intoxication results partly from alcohol's deleterious effects on cognitive control. The impact of alcohol on perseverative behavior was examined with an n-back working memory task that included manipulations of task complexity and prepotency of inclinations to respond or withhold responding. Thirty-two social drinkers (16 men) participated in either an alcohol (.075g/100ml) or a no-alcohol condition. Alcohol increased perseveration of prepotent, task-inappropriate response patterns only under cognitively demanding (heavy memory load) conditions. This effect was evident for both commission errors (response persistence despite contingencies altered to require restraint) and omission errors (failure to respond when contingencies were revised to encourage action). Findings suggested that alcohol-induced perseveration arises from impairments in cognitive control.Keywords
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