One of the fundamental cognitive components of all social exchange is reciprocity - the concept that a social gesture by one agent should be answered by a roughly equivalent gesture from the other agent. Despite the importance of reciprocity as a fundamental cognitive mechanism, our neural and behavioral understanding of reciprocity instincts in humans remains rudimentary. The overall goal of this proposal is to probe reciprocity across a variety of two- agent settings, expose its influence on behavioral responses during such staged social exchange, and generate mathematical data-driven descriptions of its computational components. In all cases, we seek to relate behavioral variables involved in reciprocal interaction between two agents to underlying neural correlates as measured by functional magnetic resonance imaging (fMRI). We make liberal use of economic exchange games commonly employed in behavioral economics.

Public Health Relevance

The fundamental brain and cognitive mechanisms underlying social interactions among humans are almost completely unknown. This tremendous gap in our knowledge is made worse by the fact that many forms of mental illness and brain injury severely impair our capacity to sustain normal cooperative interactions with other humans. This proposal will use functional magnetic resonance imaging, staged social interactions, and computational theory to probe the way that humans carry out reciprocal social exchange.

Agency
National Institute of Health (NIH)
Institute
National Institute of Mental Health (NIMH)
Type
Research Project (R01)
Project #
5R01MH085496-06
Application #
8094409
Study Section
Cognitive Neuroscience Study Section (COG)
Program Officer
Simmons, Janine M
Project Start
2004-12-05
Project End
2011-09-30
Budget Start
2011-04-01
Budget End
2011-09-30
Support Year
6
Fiscal Year
2011
Total Cost
$379,913
Indirect Cost
Name
Baylor College of Medicine
Department
Neurosciences
Type
Schools of Medicine
DUNS #
051113330
City
Houston
State
TX
Country
United States
Zip Code
77030
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