• Neuroscience · Jul 2024

    Review

    Hyperscanning Literature After Two Decades of Neuroscientific Research: a Scientometric Review.

    • Alessandro Carollo and Gianluca Esposito.
    • Department of Psychology and Cognitive Science, University of Trento, Rovereto, Italy. Electronic address: alessandro.carollo@unitn.it.
    • Neuroscience. 2024 Jul 23; 551: 345354345-354.

    AbstractHyperscanning, a neuroimaging approach introduced in 2002 for simultaneously recording the brain activity of multiple participants, has significantly contributed to our understanding of social interactions. Nevertheless, the existing literature requires systematic organization to advance our knowledge. This study, after two decades of hyperscanning research, aims to identify the primary thematic domains and the most influential documents in the field. We conducted a scientometric analysis to examine co-citation patterns quantitatively, using a sample of 548 documents retrieved from Scopus and their 32,022 cited references. Our analysis revealed ten major thematic domains in hyperscanning research, with the most impactful document authored by Czeszumski and colleagues in 2020. Notably, while hyperscanning was initially developed for functional magnetic resonance imaging (fMRI), our findings indicate a substantial influence of research conducted using electroencephalography (EEG) and functional near-infrared spectroscopy (fNIRS). The introduction of fNIRS and advancements in EEG methods have enabled the implementation of more ecologically valid experiments for investigating social interactions. The study also highlights the need for more research that combines multi-brain neural stimulation with neuroimaging techniques to understand the causal role played by interpersonal neural synchrony in social interactions.Copyright © 2024 The Author(s). Published by Elsevier Inc. All rights reserved.

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