Journal
TRENDS IN COGNITIVE SCIENCES
Volume 10, Issue 2, Pages 83-90Publisher
CELL PRESS
DOI: 10.1016/j.tics.2005.12.002
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Orbitofrontal cortex contributes to behavioural adaptation in response to changes in the contingent relationship and incentive value of positive affective stimuli in the environment. This article integrates early descriptions of the effects of orbitofrontal ablation in monkeys, on object discrimination reversal and extinction, with contemporary theories of animal learning. Studies of incentive devaluation, conditioned reinforcement and changes in reward contingency are reviewed, highlighting the role of the orbitofrontal cortex in processing the affective and non-affective properties of rewarding stimuli, in reward expectation, and in goal selection. It is argued that future studies should focus on the interaction of the orbitofrontal cortex with peripheral arousal systems and the ascending monoamine systems in order to understand fully the role of the orbitofrontal cortex in behavioural adaptation.
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