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  Sex differences in neural and behavioral signatures of cooperation revealed by fNIRS hyperscanning

Baker, J. M., Liu, N., Cui, X., Vrticka, P., Saggar, M., Hosseini, S. M. H., et al. (2016). Sex differences in neural and behavioral signatures of cooperation revealed by fNIRS hyperscanning. Scientific Reports, 6: 26492. doi:10.1038/srep26492.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-FA9D-3 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-FA9E-2
Genre: Journal Article

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 Creators:
Baker, Joseph M.1, Author
Liu, Ning1, Author
Cui, Xu1, Author
Vrticka, Pascal2, Author              
Saggar, Manish1, Author
Hosseini, S. M. Hadi1, Author
Reiss, Allan L.1, 3, Author
Affiliations:
1Center for Interdisciplinary Brain Sciences Research, Stanford University School of Medicine, CA, USA, ou_persistent22              
2Department Social Neuroscience, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634552              
3Department of Radiology, Stanford University, CA, USA, ou_persistent22              

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 Abstract: Researchers from multiple fields have sought to understand how sex moderates human social behavior. While over 50 years of research has revealed differences in cooperation behavior of males and females, the underlying neural correlates of these sex differences have not been explained. A missing and fundamental element of this puzzle is an understanding of how the sex composition of an interacting dyad influences the brain and behavior during cooperation. Using fNIRS-based hyperscanning in 111 same- and mixed-sex dyads, we identified significant behavioral and neural sex-related differences in association with a computer-based cooperation task. Dyads containing at least one male demonstrated significantly higher behavioral performance than female/female dyads. Individual males and females showed significant activation in the right frontopolar and right inferior prefrontal cortices, although this activation was greater in females compared to males. Female/female dyad’s exhibited significant inter-brain coherence within the right temporal cortex, while significant coherence in male/male dyads occurred in the right inferior prefrontal cortex. Significant coherence was not observed in mixed-sex dyads. Finally, for same-sex dyads only, task-related inter-brain coherence was positively correlated with cooperation task performance. Our results highlight multiple important and previously undetected influences of sex on concurrent neural and behavioral signatures of cooperation.

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Language(s): eng - English
 Dates: 2016-03-162016-05-042016-06-08
 Publication Status: Published online
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1038/srep26492
PMID: 27270754
PMC: PMC4897646
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Title: Scientific Reports
  Abbreviation : Sci. Rep.
Source Genre: Journal
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Publ. Info: London, UK : Nature Publishing Group
Pages: - Volume / Issue: 6 Sequence Number: 26492 Start / End Page: - Identifier: Other: 2045-2322
CoNE: /journals/resource/2045-2322