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Related Concept Videos

Inter-Brain Synchrony in Open-Ended Collaborative Learning: An fNIRS-Hyperscanning Study04:44

Inter-Brain Synchrony in Open-Ended Collaborative Learning: An fNIRS-Hyperscanning Study

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The protocol for conducting fNIRS hyperscanning experiments on collaborative learning dyads in a naturalistic learning environment is outlined. Further, a pipeline to analyze the Inter-Brain Synchrony (IBS) of oxygenated hemoglobin (Oxy-Hb) signals is...
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New Framework for Understanding Cross-Brain Coherence in Functional Near-Infrared Spectroscopy (fNIRS) Hyperscanning Studies05:59

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Wavelet transform coherence (WTC) is a common methodology for assessing the coupling between signals that is used in functional near-infrared spectroscopy (fNIRS) hyperscanning studies. A toolbox for assessing the directionality of the signal interaction is presented in this...
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How to Calculate and Validate Inter-brain Synchronization in a fNIRS Hyperscanning Study05:33

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

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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.
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Measurement of the Directional Information Flow in fNIRS-Hyperscanning Data using the Partial Wavelet Transform Coherence Method08:42

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This protocol describes partial wavelet transform coherence (pWTC) for calculating the time-lagged pattern of interpersonal neural synchronization (INS) to infer the direction and temporal pattern of information flow during social interaction. The effectiveness of pWTC in removing the confounds of signal autocorrelation on INS was proved by two...
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Functional Near-Infrared Spectroscopy Hyperscanning Study in Psychological Counseling06:04

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The protocol aims to provide a detailed description of the methodology for conducting an fNIRS hyperscanning study in psychological counseling. This includes the preparations for the experiment, the procedure for collecting data, and the subsequent data analysis...
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The present protocol describes how to conduct fNIRS hyperscanning experiments and analyze brain-to-brain synchrony. Further, we discuss challenges and possible...
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Related Experiment Video

Updated: Jan 19, 2026

Inter-Brain Synchrony in Open-Ended Collaborative Learning: An fNIRS-Hyperscanning Study
04:44

Inter-Brain Synchrony in Open-Ended Collaborative Learning: An fNIRS-Hyperscanning Study

Published on: July 21, 2021

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Real-life creative problem solving in teams: fNIRS based hyperscanning study.

Naama Mayseless1, Grace Hawthorne2, Allan L Reiss3

  • 1Center for Interdisciplinary Brain Sciences Research, Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA, 94305, USA.

Neuroimage
|September 8, 2019
PubMed
Summary
This summary is machine-generated.

Team creativity relies on brain synchrony. This study used fNIRS to measure inter-brain synchrony (IBS) during cooperative problem-solving, finding reduced synchrony correlated with increased cooperation, suggesting a neural mechanism for innovation.

Keywords:
CreativityHyperscanningInterbrain-synchronyNeuroimagingTeamworkfNIRS

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Team Dynamics

Background:

  • Groups are assumed to be more innovative than individuals.
  • Understanding the neural basis of team creativity is lacking.
  • Previous research explored team problem-solving but lacked brain-based models.

Purpose of the Study:

  • To investigate the neural underpinnings of team creativity.
  • To examine how team interactivity impacts innovation outcomes.
  • To present a brain-based model for team cooperation in creative tasks.

Main Methods:

  • A naturalistic study design was employed.
  • Functional near-infrared spectroscopy (fNIRS) measured inter-brain synchrony (IBS).
  • Participants engaged in a cooperative creative design task.

Main Results:

  • Inter-brain synchrony (IBS) was implicated with cognitive control, mentalizing, and mirror neuron networks.
  • Cooperation increased over time.
  • A reduction in IBS was associated with increased cooperation.

Conclusions:

  • Naturalistic designs are crucial for studying neural bases of team interactions.
  • Reduced inter-brain synchrony may be a mechanism facilitating team creativity.
  • Findings offer insights into the neural dynamics of collaborative innovation.