NDLI: Prefrontal Brain Activity Predicts Temporally Extended Decision-Making Behavior

Content Provider	PubMed Central
Author	Yarkoni, Tal Braver, Todd S. Gray, Jeremy R. Green, Leonard
Copyright Year	2005
Abstract	Although functional neuroimaging studies of human decision-making processes are increasingly common, most of the research in this area has relied on passive tasks that generate little individual variability. Relatively little attention has been paid to the ability of brain activity to predict overt behavior. Using functional magnetic resonance imaging (fMRI), we investigated the neural mechanisms underlying behavior during a dynamic decision task that required subjects to select smaller, short-term monetary payoffs in order to receive larger, long-term gains. The number of trials over which the long-term gains accrued was manipulated experimentally (2 versus 12). Event-related neural activity in right lateral prefrontal cortex, a region associated with high-level cognitive processing, selectively predicted choice behavior in both conditions, whereas insular cortex responded to fluctuations in amount of reward but did not predict choice behavior. These results demonstrate the utility of a functional neuroimaging approach in behavioral psychology, showing that (a) highly circumscribed brain regions are capable of predicting complex choice behavior, and (b) fMRI has the ability to dissociate the contributions of different neural mechanisms to particular behavioral tasks.
Related Links	http://dx.doi.org/10.1901/jeab.2005.121-04
Ending Page	554
Page Count	18
Starting Page	537
File Format	PDF
ISSN	00225002
e-ISSN	00225002
Journal	Journal of the Experimental Analysis of Behavior
Issue Number	3
Volume Number	84
Language	English
Publisher	Society for the Experimental Analysis of Behavior, Inc.
Publisher Date	2005-11-01
Access Restriction	Open
Rights Holder	Society for the Experimental Analysis of Behavior, Inc.
Subject Keyword	Experimental and Cognitive Psychology Behavioral Neuroscience Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Experimental and Cognitive Psychology Behavioral Neuroscience

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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