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Related Experiment Video

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    Seeing avatars in virtual reality social interactions enhances neural synchrony. This study found increased inter-brain synchronization (IBS) when participants used avatars, suggesting embodiment boosts connection during VR experiences.

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    Area of Science:

    • Neuroscience
    • Virtual Reality Studies
    • Social Interaction Research

    Background:

    • Inter-brain synchronization (IBS) is crucial for successful social interactions.
    • Virtual reality (VR) offers novel platforms for social interaction research.
    • The impact of avatars on neural synchrony in VR is not well understood.

    Purpose of the Study:

    • To investigate whether seeing avatars during VR social interaction affects neural synchrony.
    • To compare inter-brain synchronization (IBS) with and without avatars during a collaborative task.

    Main Methods:

    • Participants (30 individuals in 15 pairs) engaged in a finger position tracking task in VR.
    • Experimental conditions included virtual cursors only versus cursors with avatars.
    • Data collected included electroencephalography (EEG), positional tracking, and embodiment questionnaires.

    Main Results:

    • Avatar use significantly increased virtual body ownership but not agency or positional synchronization.
    • Inter-brain synchronization (IBS) strength significantly increased in the alpha band with avatars.
    • Alpha-band IBS correlated with subjective body ownership and showed a trend with social inclusion.

    Conclusions:

    • Avatar-induced embodiment may enhance inter-brain synchrony during VR social interactions.
    • Increased neural synchrony suggests deeper connection and potentially more successful collaboration in avatar-mediated VR.
    • Future research should consider visual complexity's role in avatar-mediated interactions.