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A comparative study on inter-brain synchrony in real and virtual environments using hyperscanning

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dc.contributor.authorGumilar, I.
dc.contributor.authorSareen, E.
dc.contributor.authorBell, R.
dc.contributor.authorStone, A.
dc.contributor.authorHayati, A.
dc.contributor.authorMao, J.
dc.contributor.authorBarde, A.
dc.contributor.authorGupta, A.
dc.contributor.authorDey, A.
dc.contributor.authorLee, G.
dc.contributor.authorBillinghurst, M.
dc.date.issued2021
dc.description.abstractResearchers have employed hyperscanning, a technique used to simultaneously record neural activity from multiple participants, in real-world collaborations. However, to the best of our knowledge, there is no study that has used hyperscanning in Virtual Reality (VR). The aims of this study were; firstly, to replicate results of inter-brain synchrony reported in existing literature for a real world task and secondly, to explore whether the inter-brain synchrony could be elicited in a Virtual Environment (VE). This paper reports on three pilot-studies in two different settings (real-world and VR). Paired participants performed two sessions of a finger-pointing exercise separated by a finger-tracking exercise during which their neural activity was simultaneously recorded by electroencephalography (EEG) hardware. By using Phase Locking Value (PLV) analysis, VR was found to induce similar inter-brain synchrony as seen in the real-world. Further, it was observed that the finger-pointing exercise shared the same neurally activated area in both the real-world and VR. Based on these results, we infer that VR can be used to enhance inter-brain synchrony in collaborative tasks carried out in a VE. In particular, we have been able to demonstrate that changing visual perspective in VR is capable of eliciting inter-brain synchrony. This demonstrates that VR could be an exciting platform to explore the phenomena of inter-brain synchrony further and provide a deeper understanding of the neuroscience of human communication.
dc.identifier.citationComputers & graphics, 2021; 94:62-75
dc.identifier.doi10.1016/j.cag.2020.10.003
dc.identifier.issn0097-8493
dc.identifier.issn1873-7684
dc.identifier.orcidLee, G. [0000-0002-1644-6934]
dc.identifier.urihttps://hdl.handle.net/11541.2/145263
dc.language.isoen
dc.publisherPERGAMON-ELSEVIER SCIENCE LTD
dc.rightsCopyright 2020 Elsevier
dc.source.urihttps://doi.org/10.1016/j.cag.2020.10.003
dc.subjecthyperscanning
dc.subjectvirtual reality
dc.subjectbrain synchronization
dc.subjectsocial neuroscience
dc.subjectremote collaboration
dc.subjectcomputer supported collaborative work (CSCW)
dc.titleA comparative study on inter-brain synchrony in real and virtual environments using hyperscanning
dc.typeJournal article
pubs.publication-statusPublished
ror.mmsid9916460905201831

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