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Journal Article

Citation

Hoaken PN, Assaad JM, Pihl RO. J. Stud. Alcohol 1998; 59(5): 599-607.

Affiliation

Department of Psychology, McGill University, Montreal, Quebec, Canada.

Copyright

(Copyright © 1998, Rutgers Center of Alcohol Studies)

DOI

unavailable

PMID

9718113

Abstract

OBJECTIVE: A highly replicable research finding is that alcohol intoxication tends to induce aggressive responding. Recent research investigating the role of cognitive function in this relationship has shown that individuals who perform poorly on certain cognitive tasks have difficulty responding to contingencies to inhibit aggression, while high performers do not. High performers, however, do show increased aggression while intoxicated. This study investigated whether subjects with above average cognitive functioning would, when intoxicated, inhibit aggression in order to attain monetary reward. METHOD: Men (N = 43), aged 18-30, selected on the basis of high performance on a neuropsychological test putatively assessing function of dorsolateral prefrontal cortex, the spatial conditional associative learning task, participated in a modified version of the Taylor Aggression Task. Half the subjects were acutely alcohol intoxicated, the other half were sober. Furthermore, half the subjects in each of these groups received contingent monetary reward for choosing lower shocks. Aggression was defined as shock intensity delivered to a sham opponent. RESULTS: Contrary to the hypothesis, intoxicated subjects, even though significantly impaired cognitively relative to their nonintoxicated peers (F = 4.29, 1/41 df, p < .05), appeared to have no difficulty inhibiting their aggression in order to gain monetary reward. That is, there was no difference between intoxicated and nonintoxicated subjects on the dependent variable, shock intensity, when contingent money was available (F = .01, 1/20 df, p = .935). CONCLUSION: This finding provides further evidence that alcohol-induced aggression is not a uniform phenomenon, and it suggests a neuropsychological mechanism that may mediate the relationship. It may be that individuals with above average cognitive abilities retain sufficient residual functioning to inhibit aggressive responding, even when acutely alcohol intoxicated.


Language: en

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