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The Orbitofrontal Cortex$
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David Zald and Scott Rauch

Print publication date: 2006

Print ISBN-13: 9780198565741

Published to Oxford Scholarship Online: February 2010

DOI: 10.1093/acprof:oso/9780198565741.001.0001

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A componential analysis of the functions of primate orbitofrontal cortex

A componential analysis of the functions of primate orbitofrontal cortex

(p.237) Chapter 9 A componential analysis of the functions of primate orbitofrontal cortex
The Orbitofrontal Cortex

Angela C. Roberts

John Parkinson

Oxford University Press

This chapter attempts to define the specific functions served by the orbitofrontal cortex (OFC) based on studies in nonhuman primates. Evidence appears to be consistent for an involvement of the primate OFC in integrating information about rewards and punishments and their predictors, and this information is used to select goals for action. This function is dependent upon interactions between the OFC and related brain structures, including the amygdala for processing affective information about explicit conditioned reinforcers and other structures such as the hippocampus for contextual evoked representations of reinforcement and the perirhinal cortex for non-affective information about stimuli-stimulus associations. Integration of this information within the OFC may subsequently lead to goal selection with the affective and attentional processing of the goal and its predictors being enhanced by the central and peripheral arousal mechanisms that are modulated by the OFC.

Keywords:   primate, autonomic, reversal, extinction, conditioning, reward, punishment, contextual, lesion

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