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Understanding the effects of hand design on embodiment in virtual reality

Published online by Cambridge University Press:  02 March 2023

Jingjing Zhang
Affiliation:
Design School, Xi'an Jiaotong-Liverpool University, Suzhou, China School of Engineering, University of Liverpool, Liverpool, UK
Mengjie Huang*
Affiliation:
Design School, Xi'an Jiaotong-Liverpool University, Suzhou, China
Rui Yang
Affiliation:
School of Advanced Technology, Xi'an Jiaotong-Liverpool University, Suzhou, China
Yiqi Wang
Affiliation:
UCL Interaction Center, University College London, London, UK
Xiaohang Tang
Affiliation:
School of Advanced Technology, Xi'an Jiaotong-Liverpool University, Suzhou, China
Ji Han
Affiliation:
Business School, University of Exeter, Exeter, UK
Hai-Ning Liang
Affiliation:
School of Advanced Technology, Xi'an Jiaotong-Liverpool University, Suzhou, China
*
Author for correspondence: Mengjie Huang, E-mail: mengjie.huang@xjtlu.edu.cn

Abstract

Understanding user perceptions of interacting with the virtual world is one of the research focuses in recent years, given the rapid proliferation of virtual reality (VR) and driven to establish the metaverse. Users can generate a familiar connection between their bodies and the virtual world by being embodied in virtual hands, and hand representations can induce users’ embodiment in VR. The sense of embodiment represents the cognitive awareness of one's manifestation and includes three subcomponents: the sense of body ownership, agency and self-location. There is insufficient evidence in the literature about the effects of hand designs on the embodiment, especially based on studying its three subcomponents. This study investigates how virtual hand designs with five realism levels influence the three subcomponents of embodiment in VR. This research employs a self-report questionnaire commonly used in the literature to assess embodiment and evaluates agency and self-location by introducing implicit methods (intentional binding and proprioceptive measurement) derived from psychology. Besides, the objective data of eye tracking is used to explore the connection between embodiment and hand designs, and classifying participants’ eye tracking data to help analyze the link between embodiment and user attention. Overall, this research makes a major contribution through a systematic exploration of users’ embodied experience in VR and offers important evidence of the effects of virtual hand designs on body ownership, agency, and self-location, respectively. In addition, this study provides a valuable reference for further investigation of embodiment through implicit and objective methods, and practical design recommendations for virtual hand design in VR applications.

Type
Research Article
Copyright
Copyright © The Author(s), 2023. Published by Cambridge University Press

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