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The Journal of Neuroscience, August 1, 2007, 27(31):8161-8165; doi:10.1523/JNEUROSCI.1554-07.2007

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Mini-Review
The Role of the Dorsal Striatum in Reward and Decision-Making

Bernard W. Balleine,¹ Mauricio R. Delgado,² and Okihide Hikosaka³

¹Department of Psychology and the Brain Research Institute, University of California Los Angeles, Los Angeles, California 90095-1563, ²Department of Psychology, Rutgers University, Newark, New Jersey 07102, and ³Laboratory of Sensorimotor Research, National Eye Institute, National Institutes of Health, Bethesda, Maryland 20892-4435

Correspondence should be addressed to Bernard W. Balleine, Department of Psychology, Box 951563, Los Angeles, CA 90095-1563. Email: balleine{at}psych.ucla.edu

Although the involvement in the striatum in the refinement and control of motor movement has long been recognized, recent description of discrete frontal corticobasal ganglia networks in a range of species has focused attention on the role particularly of the dorsal striatum in executive functions. Current evidence suggests that the dorsal striatum contributes directly to decision-making, especially to action selection and initiation, through the integration of sensorimotor, cognitive, and motivational/emotional information within specific corticostriatal circuits involving discrete regions of striatum. We review key evidence from recent studies in rodent, nonhuman primate, and human subjects.

Key words: choice; utility; frontal cortex; executive; reward; striatum

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Received April 6, 2007; revised June 4, 2007; accepted June 4, 2007.

Correspondence should be addressed to Bernard W. Balleine, Department of Psychology, Box 951563, Los Angeles, CA 90095-1563. Email: balleine{at}psych.ucla.edu

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