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How to Calculate and Validate Inter-brain Synchronization in a fNIRS Hyperscanning Study

DOI :

10.3791/62801-v

September 8th, 2021

September 8th, 2021

4,786 Views

1Institute of Brain and Education Innovation, School of Psychology and Cognitive Science, East China Normal University, 2Department of Musicology, Harbin Conservatory of Music, 3Department of Clinical Neuroscience, Karolinska Institutet, 4School of Psychology, Shenzhen University

The dynamics between coupled brains of individuals have been increasingly represented by inter-brain synchronization (IBS) when they coordinate with each other, mostly using simultaneous-recording signals of brains (namely hyperscanning) with fNIRS. In fNIRS hyperscanning studies, IBS has been commonly assessed through the wavelet transform coherence (WTC) method because of its advantage on expanding time series into time-frequency space where oscillations can be seen in a highly intuitive way. The observed IBS can be fu

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Inter brain Synchronization

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