Editorial Manager(tm) for PLoS Biology Manuscript Draft Manuscript Number: Title: NIRS-Based Hyperscanning Reveals Increased Interpersonal Coherence in Superior Frontal Cortex during Cooperation Short Title: NIRS hyperscanning in cooperation

نویسندگان

  • Masaru Mimura
  • John Gore
  • Xu Cui
  • Daniel M. Bryant
  • Allan L. Reiss
چکیده

We used Near-Infrared Spectroscopy (NIRS) to simultaneously measure brain activity in two people while they played a computer-based cooperation game side by side. Inter-brain activity coherence was calculated between the two participants. We found that the coherence between signals generated by participants‟ right superior frontal cortices increased during cooperation, but not during competition. Increased coherence was also associated with better cooperation performance. To our knowledge, this work represents the first use of a single NIRS instrument for simultaneous measurements of brain activity in two people. This study demonstrates the use of NIRS-based hyperscanning in studies of social interaction in a naturalistic environment. Blurb A neuroimaging study explores a new method of studying social cognition and reveals that cooperation increases coherence between brain activation patterns of two people.

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تاریخ انتشار 2011