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          Institute: MPI für biologische Kybernetik     Collection: Biologische Kybernetik     Display Documents



ID: 312080.0, MPI für biologische Kybernetik / Biologische Kybernetik
Spatial updating in virtual reality: the sufficiency of visual information
Authors:Riecke, B.E.; Cunningham, D.W.; Bülthoff, H.H.
Date of Publication (YYYY-MM-DD):2006-09
Title of Journal:Psychological Research
Volume:71
Issue / Number:3
Start Page:298
End Page:313
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:Robust and effortless spatial orientation critically relies on “automatic and obligatory spatial
updating”, a largely automatized and reflex-like process that transforms our mental egocentric
representation of the immediate surroundings during ego-motions. A rapid pointing paradigm
was used to assess automatic/obligatory spatial updating after visually displayed upright rotations
with or without concomitant physical rotations using a motion platform. Visual stimuli
displaying a natural, subject-known scene proved sufficient for enabling automatic and obligatory
spatial updating, irrespective of concurrent physical motions. This challenges the prevailing
notion that visual cues alone are insufficient for enabling such spatial updating of rotations,
and that vestibular/proprioceptive cues are both required and sufficient. Displaying optic flow
devoid of landmarks during the motion and pointing phase was insufficient for enabling automatic
spatial updating, but could not be entirely ignored either. Interestingly, additional physical
motion cues hardly improved performance, and were insufficient for affording automatic
spatial updating. The results are discussed in the context of the mental transformation hypothesis
and the sensorimotor interference hypothesis, which associates difficulties in imagined
perspective switches to interference between the sensorimotor and cognitive (to-be-imagined)
perspective.
External Publication Status:published
Document Type:Article
Communicated by:Holger Fischer
Affiliations:MPI für biologische Kybernetik/Psychophysics (Dept. Bülthoff)
Identifiers:LOCALID:3768
URL:http://www.springerlink.com/content/321247260x5446...
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