The influence of spatial delocation on perceptual integration of vision and touch

Authors:
Marco Congedo;Anatole Lécuyer;Edouard Gentaz
Affiliations:
National Institute for Research in Computer Science and Control (INRIA), IRISA, Rennes, France;National Institute for Research in Computer Science and Control (INRIA), RISA, Rennes, France;National Centre for Scientific Research (CNRS), University "Pierre Mendès-France", Grenoble, France
Venue:
Presence: Teleoperators and Virtual Environments - Special issue: Virtual heritage
Year:
2006

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Abstract

How do we perceive objects when what we see and what we touch is not at the same place? In a virtual environment, we observed that spatial delocation promotes visual dominance when judging the rotation angle of a hand-operated handle. Thus, the delocation of perceptual information appears to increase considerably the weight of the dominant sense at the expense of the other. We relate this result to the design of teleoperation and virtual reality systems, in which, typically, the visual and haptic sensory information originates in spatially distinct devices.