Effects of Human Avatar Representation in Virtual Reality on Inter-Brain Connection
Enes Yigitbas, Christian Kaltschmidt

TL;DR
This study explores how different avatar representations in collaborative VR influence inter-brain connections, finding more realistic avatars lead to stronger neural synchronization between users.
Contribution
It introduces the first investigation of inter-brain connectivity in VR based on avatar realism, using hyperscanning to compare real, full-body, and head-hand avatars.
Findings
Realistic avatars increase inter-brain sensor pairs
Avatar realism correlates with neural synchronization
Hyperscanning reveals neural effects of avatar design
Abstract
Increasing advances in affordable consumer hardware and accessible software frameworks are now bringing Virtual Reality (VR) to the masses. Especially collaborative VR applications where different people can work together are gaining momentum. In this context, human avatars and their representations are a crucial aspect of collaborative VR applications as they represent a digital twin of the end-users and determine how one is perceived in a virtual environment. When it comes to the effect of avatar representation on the end-users of collaborative VR applications, so far mostly questionnaires have been used to assess the quality of avatar representations. A promising alternative to objectively measure the effect of avatar representation is the investigation of inter-brain connections during the usage of a collaborative VR application. However, the combination of immersive VR applications…
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Taxonomy
TopicsVirtual Reality Applications and Impacts
