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  Contribution and interaction of visual and vestibular cues for spatial updating in real and virtual environments

Riecke, B., von der Heyde, M., & Bülthoff, H. (2002). Contribution and interaction of visual and vestibular cues for spatial updating in real and virtual environments. Poster presented at 43. Kongress der Deutschen Gesellschaft für Psychologie (DGPs 2002), Berlin, Germany.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-DF1A-5 Version Permalink: http://hdl.handle.net/21.11116/0000-0005-97B8-1
Genre: Poster

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Riecke, BE1, 2, Author              
von der Heyde, M1, 2, Author              
Bülthoff, HH1, 2, Author              
Affiliations:
1Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: In a series of experiments, we established a speeded pointing paradigm to investigate the influence and interaction of visual and vestibular stimulus parameters for spatial updating in real and virtual environments. STIMULI: Participants saw either the real surround or a photorealistic virtual replica presented via HMD or projection screen. A Stewart motion platform was used for vestibular stimulation. TASK: After simulated or real ego-turns, participants were asked to quickly point towards different previously-learned target objects. Targets were announced consecutively via headphones and chosen to be outside of the current field of view. Performance in real and virtual environments was comparable. Photorealistic visual stimuli from well-known environments including an abundance of salient landmarks proved sufficient to initiate obligatory spatial updating and hence turn the world inside our head, even against our conscious will and without corresponding vestibular cues. Spatial updating benefitted from vestibular cues only when visual turn information was reduced to optic flow information only. There, however, spatial updating was impaired and no longer obligatory. Apart form the well-known smooth spatial updating induced by continuous movement information, we found also a discontinuous, jump-like spatial updating that allowed participants to quickly adopt a new orientation without any explicit motion cues.

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 Dates: 2002-09
 Publication Status: Published in print
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 Identifiers: BibTex Citekey: 1898
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Title: 43. Kongress der Deutschen Gesellschaft für Psychologie (DGPs 2002)
Place of Event: Berlin, Germany
Start-/End Date: 2002-09-22 - 2002-09-26

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Title: 43. Kongress der Deutschen Gesellschaft für Psychologie (DGPs 2002)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 1158 Identifier: -