The hand is more easily fooled than the eye: users are more sensitive to visual interpenetration than to visual-proprioceptive discrepancy

Authors:
Eric Burns;Sharif Razzaque;Abigail T. Panter;Mary C. Whitton;Matthew R. McCallus;Frederick P. Brooks, Jr.
Affiliations:
Department of Computer Science, University of North Carolina, Chapel Hill, Chapel Hill, NC;Department of Computer Science, University of North Carolina, Chapel Hill, Chapel Hill, NC;Department of Computer Science, University of North Carolina, Chapel Hill, Chapel Hill, NC;Department of Computer Science, University of North Carolina, Chapel Hill, Chapel Hill, NC;Department of Computer Science, University of North Carolina, Chapel Hill, Chapel Hill, NC;Department of Computer Science, University of North Carolina, Chapel Hill, Chapel Hill, NC
Venue:
Presence: Teleoperators and Virtual Environments - Special issue: IEEE VR 2005
Year:
2006

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Abstract

A virtual environment (VE) user's avatar may penetrate virtual objects. Some VE designers prevent visual interpenetration, assuming that prevention improves user experience. However, preventing visual avatar interpenetration causes a discrepancy between visual and proprioceptive cues. We investigated users' detection thresholds for visual interpenetration and visual-proprioceptive discrepancy and found that users are much less sensitive to visual-proprioceptive discrepancy than to visual interpenetration. We propose using this result to better deal with user penetration of virtual objects.