ArticleImaging neuroscience (Cambridge, Mass.)
Investigating face processing in online interactions via UK-US hyperscanning using fNIRS.
Article in Imaging neuroscience (Cambridge, Mass.). The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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8 authors.
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Abstract
Videoconferencing technology has become a staple of everyday life and has found widespread use in business, education, and tele-medicine. Despite this, there have been few empirical studies investigating the neural correlates of interactions during this form of communication. This study investigates the neural mechanisms of face processing during online videoconferencing, employing functional near-infrared spectroscopy (fNIRS). We synchronised presentation and acquisition of fNIRS data across laboratories in the UK and US using custom Python software and a third-party computer system. Using this framework, we examine how different presentations of faces (live-online vs. static images) influence social cognition and inter-brain coupling (IBC) in a videoconferencing context. Forty participants (20 dyads) engaged in online sessions where they viewed either dynamic video feeds or static images of their partners' faces. Our findings did not show preferential activity in the right supramarginal gyrus during the observation of live on-line faces as expected from prior studies of live in-person face gaze. However, occipital-temporal and dorsal visual streams were more active for live-online faces than static-online faces. There was no observed evidence for increased cross-brain synchrony during the live face condition compared with the static face condition. Findings suggest that on-line studies of social interaction open a novel field of investigation that is differentiated from live interactions.
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