Related Experiment Video
Updated: May 22, 2026
05:33
How to Calculate and Validate Inter-brain Synchronization in a fNIRS Hyperscanning Study
Published on: September 8, 2021
Anatomical connectivity influences both intra- and inter-brain synchronizations.
Guillaume Dumas1, Mario Chavez, Jacqueline Nadel
1Université Pierre et Marie Curie-Paris 6, Centre de Recherche de l'Institut du Cerveau et de la Moelle Épinière, UMR-S975, Paris, France. guillaume.dumas@centraliens.net
Plos One
|May 17, 2012
Summary
The human brain
Area of Science:
- Neuroscience
- Computational Neuroscience
- Social Neuroscience
Background:
- Neurocomputational models explore how brain structure (connectome) influences brain activity coordination within individuals.
- Social neuroscience investigates dynamic coupling between interacting individuals.
- EEG hyperscanning reveals correlations between behavioral synchrony and inter-brain synchronization during interaction.
Purpose of the Study:
- To quantify the relationship between inter-brain synchronization and the anatomical/functional similarity of interacting brains.
- To investigate the role of the human connectome in facilitating inter-individual synchronization.
Main Methods:
- Utilized a biophysical model for numerical simulation of interacting brains.
- Compared simulated data with real EEG hyperscanning data.
- Quantified inter-brain synchronization in relation to brain similarity.
Main Results:
- Demonstrated that the human connectome possesses dynamical properties that facilitate inter-individual synchronization.
- Found that anatomical and functional similarity may partly explain dynamical couplings between individuals.
Conclusions:
- The human connectome's structure supports the emergence of synchronized brain activity between interacting individuals.
- This finding offers insights into the neural basis of social interaction and coordination.
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