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Cited by 747

The DOI matches its Crossref record; 15 of the 15 references it cites were found in a registry or an index.

Choosing between Small, Likely Rewards and Large, Unlikely Rewards Activates Inferior and Orbital Prefrontal Cortex

Open access
Rogers, Robert D., Owen, Adrian M., Middleton, Hugh C., Williams, Emma J., Pickard, John D., Sahakian, Barbara J., Robbins, Trevor W.·1999·The Journal of Neuroscience

Abstract

Patients sustaining lesions of the orbital prefrontal cortex (PFC) exhibit marked impairments in the performance of laboratory-based gambling, or risk-taking, tasks, suggesting that this part of the human PFC contributes to decision-making cognition. However, to date, little is known about the particular regions of the orbital cortex that participate in this function. In the present study, eight healthy volunteers were scanned, using H 215 0 PET technology, while performing a novel computerized risk-taking task. The task involved predicting which of two mutually exclusive outcomes would occur, but critically, the larger reward (and penalty) was associated with choice of the least likely outcome, whereas the smallest reward (and penalty) was associated with choice of the most likely outcome. Resolving these “conflicting” decisions was associated with three distinct foci of regional cerebral blood flow increase within the right inferior and orbital PFC: laterally, in the anterior part of the middle frontal gyrus [Brodmann area 10 (BA 10)], medially, in the orbital gyrus (BA 11), and posteriorly, in the anterior portion of the inferior frontal gyrus (BA 47). By contrast, increases in the degree of conflict inherent in these decisions was associated with only limited changes in activity within orbital PFC and the anterior cingulate cortex. These results suggest that decision making recruits neural activity from multiple regions of the inferior PFC that receive information from a diverse set of cortical and limbic inputs, and that the contribution of the orbitofrontal regions may involve processing changes in reward-related information.

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Crossref · 10.1523/jneurosci.19-20-09029.1999

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Metadata

Authors
Rogers, R. D., Owen, A. M., Middleton, H. C., Williams, E. J., Pickard, J. D., Sahakian, B. J., & Robbins, T. W.
Venue
The Journal of Neuroscience
Published
1999-10-15
Volume
19
Issue
20
Pages
9029-9038
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W4296759584
Cited by
747
References
15
FWCI
10.16
Type
journal article
Language
en
Open access
hybrid

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