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The Journal of Neuroscience, May 28, 2008, 28(22):5623-5630; doi:10.1523/JNEUROSCI.1309-08.2008

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Behavioral/Systems/Cognitive
Dissociating the Role of the Orbitofrontal Cortex and the Striatum in the Computation of Goal Values and Prediction Errors

Todd A. Hare,¹ John O'Doherty,¹ Colin F. Camerer,¹ Wolfram Schultz,² and Antonio Rangel¹

¹Division of Humanities and Social Sciences, California Institute of Technology, Pasadena, California 91125, and ²Department of Physiology, Development, and Neuroscience, University of Cambridge, Cambridge CB2 3DY, United Kingdom

Correspondence should be addressed to Antonio Rangel, Division of Humanities and Social Sciences, California Institute of Technology, HSS 228-77, Pasadena, CA 91125-7700. Email: rangel{at}hss.caltech.edu

To make sound economic decisions, the brain needs to compute several different value-related signals. These include goal values that measure the predicted reward that results from the outcome generated by each of the actions under consideration, decision values that measure the net value of taking the different actions, and prediction errors that measure deviations from individuals' previous reward expectations. We used functional magnetic resonance imaging and a novel decision-making paradigm to dissociate the neural basis of these three computations. Our results show that they are supported by different neural substrates: goal values are correlated with activity in the medial orbitofrontal cortex, decision values are correlated with activity in the central orbitofrontal cortex, and prediction errors are correlated with activity in the ventral striatum.

Key words: decision making; neuroeconomics; fMRI; goal values; decision values; prediction errors

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Received Jan. 8, 2008; accepted April 21, 2008.

Correspondence should be addressed to Antonio Rangel, Division of Humanities and Social Sciences, California Institute of Technology, HSS 228-77, Pasadena, CA 91125-7700. Email: rangel{at}hss.caltech.edu

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Distinctive Roles for the Ventral Striatum and Ventral Prefrontal Cortex during Decision-Making

Laurence T. Hunt
J. Neurosci. 2008 28: 8658-8659. [Full Text]  

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				L. T. Hunt Distinctive Roles for the Ventral Striatum and Ventral Prefrontal Cortex during Decision-Making J. Neurosci., August 27, 2008; 28(35): 8658 - 8659. [Full Text] [PDF]

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