Strong inter-brain neural synchrony (INS) was observed in the posterior region of the right middle and superior frontal gyrus, in particular Brodmann area 8 (BA8), during cooperative and obstructive interaction. Novel methods were developed to identify synchronized channels for each dyad and a structural node-based spatial registration approach was utilized for inter-dyad analyses. Here, we used fNIRS hyperscanning to study social cognition and communication in human dyads engaged in cooperative and obstructive interaction while they played the game of Jenga™. In particular, fNIRS permits simultaneous measurement of hemodynamic activity in two or more individuals interacting in a naturalistic setting. 5Department of Electrical Engineering, Stanford University, Stanford, CA, USAįunctional near-infrared spectroscopy (fNIRS) is an increasingly popular technology for studying social cognition.
4Department of Radiology, Stanford University, Stanford, CA, USA.3Department of Molecular and Cell Biology, University of California, Berkeley, CA, USA.2Program in Human Biology, Stanford University, Stanford, CA, USA.1Center for Interdisciplinary Brain Sciences Research, Department of Psychiatry and Behavioral Sciences, School of Medicine, Stanford University, Stanford, CA, USA.
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