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Repetitive transcranial magnetic stimulation over the right dorsolateral prefrontal cortex decreases valuations during food choices

Camus, Mickael and Halelamien, Neil and Plassman, Hilke and Shimojo, Shinsuke and O'Doherty, John and Camerer, Colin and Rangel, Antonio (2009) Repetitive transcranial magnetic stimulation over the right dorsolateral prefrontal cortex decreases valuations during food choices. European Journal of Neuroscience, 30 (10). pp. 1980-1988. ISSN 0953-816X. https://resolver.caltech.edu/CaltechAUTHORS:20100108-120421949

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Abstract

Several studies have found decision-making-related value signals in the dorsolateral prefrontal cortex (DLPFC). However, it is unknown whether the DLPFC plays a causal role in decision-making, or whether it implements computations that are correlated with valuations, but that do not participate in the valuation process itself. We addressed this question by using repetitive transcranial magnetic stimulation (rTMS) while subjects were involved in an economic valuation task involving the consumption of real foods. We found that, as compared with a control condition, application of rTMS to the right DLPFC caused a decrease in the values assigned to the stimuli. The results are consistent with the possibility that the DLPFC plays a causal role in the computation of values at the time of choice.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1111/j.1460-9568.2009.06991.xDOIUNSPECIFIED
http://www3.interscience.wiley.com/cgi-bin/fulltext/122681762/HTMLSTART PublisherUNSPECIFIED
ORCID:
AuthorORCID
O'Doherty, John0000-0003-0016-3531
Camerer, Colin0000-0003-4049-1871
Additional Information:© 2009 Federation of European Neuroscience Societies and Blackwell Publishing Ltd. Received 6 July 2009, accepted 15 September 2009. This study was supported by grants from the Gordon and Betty Moore Foundation to A. Rangel, the CFC, and the Caltech Brain Imaging Center.
Funders:
Funding AgencyGrant Number
Gordon and Betty Moore FoundationUNSPECIFIED
Subject Keywords:decision making, DLPFC, TMS, choice
Issue or Number:10
Record Number:CaltechAUTHORS:20100108-120421949
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20100108-120421949
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:17112
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:12 Jan 2010 22:28
Last Modified:09 Mar 2020 13:19

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