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Behav Brain Res. 2007 Feb 12;177(1):165-70. Epub 2006 Nov 30.

Anticipating instrumentally obtained and passively-received rewards: a factorial fMRI investigation.

Author information

1
Laboratory of Clinical and Translational Studies, National Institute on Alcohol Abuse and Alcoholism, NIH, Bethesda, MD 20892, United States. jbjork@mail.nih.gov

Abstract

During functional magnetic resonance imaging (fMRI), subjects saw cues signaling probabilities of 1.0, 0.5, and 0 of winning $1 for hitting a subsequent target, and cues signaling similar probabilities of reward delivery requiring no instrumental response. Non-instrumental reward anticipation did not elicit activation. Instrumental reward anticipation activated multiple nodes of the basal ganglia-thalamocortical motor circuit. Ventromesial striatum was activated by joint requirement for an instrumental response together with uncertain (but not certain) reward.

PMID:
17140674
PMCID:
PMC1859851
DOI:
10.1016/j.bbr.2006.10.034
[Indexed for MEDLINE]
Free PMC Article

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