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Journal Article

Citation

Lau MA, Pihl RO. Aggressive Behav. 1996; 22(6): 417-430.

Copyright

(Copyright © 1996, International Society for Research on Aggression, Publisher John Wiley and Sons)

DOI

unavailable

PMID

unavailable

Abstract

Individuals with impaired cognitive abilities associated with frontal lobe function have recently been shown to manifest increased aggression. This study investigated the effect of contingent money to inhibit aggression in these individuals. One hundred and forty males, aged 18-40, were ranked according to their performance on the Spatial Conditional Associative-Learning task. Forty-eight males (24 with scores in each of the upper and lower performance quartiles) participated in the full study. Half of the subjects competed in a Taylor aggression task where they received a monetary incentive for choosing lower shocks; the remainder competed without any monetary contingency. Aggression was defined as shock intensity delivered to a sham opponent. Shock intensity significantly increased as a main effect of lower cognitive performance, absence of monetary incentive, and provocation. In addition, provocation interacted significantly with test performance. Finally, individuals in the upper cognitive performance quartile showed significantly greater reductions of unprovoked aggression in response to monetary incentive. The results are discussed in terms of impairments in the ability to associate inhibitory influences in the formulation of behavioral strategies under aggressive conditions..

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