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  The effect of walking speed on the sensitivity to curved walking in an immersive Virtual Environment

Neth, C., Souman, J., Bülthoff, H., Kloos, U., & Mohler, B. (2010). The effect of walking speed on the sensitivity to curved walking in an immersive Virtual Environment. Poster presented at 33rd European Conference on Visual Perception (ECVP 2010), Lausanne, Switzerland.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-BEEE-F Version Permalink: http://hdl.handle.net/21.11116/0000-0002-9DCD-7
Genre: Poster

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 Creators:
Neth, C1, 2, Author              
Souman, JL1, 2, Author              
Bülthoff, HH1, 2, Author              
Kloos, U, Author
Mohler, BJ1, 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: People are relatively insensitive to the curvature of their walking trajectory [Kallie et al., 2007, JEP:HPP, 33(1), 183-200]. This is exploited in the "Redirected Walking" technique which is used in Virtual Reality to extend the borders of Virtual Environments (VE) beyond the size of the physical walking area [Steinicke et al., 2009, Journal of Virtual Reality and Broadcasting, 6(2009)]. One method is to slowly rotate the VE while the user is aiming to walk a straight path, inducing him/her to unknowingly walk on a curved trajectory. We tested whether the sensitivity to curvature depends on walking speed. Participants followed a virtual sphere in a VE, which moved on a straight path. During walking, the entire visual scene was rotated, creating a curved real-world trajectory (radius 20-200m). Walking speed was 0.75, 1.0, or 1.25 m/s. Participants indicated whether their physical walking path curved to the left or right. Discrimination thresholds were estimated by fitting a psychometric function to the propor tion of trials in which the trajectory was reported to curve to the left. Curvature thresholds were found to be higher for slow walking. This suggests that the effectiveness of the redirected walking technique depends on walking speed.

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 Dates: 2010-08
 Publication Status: Published in print
 Pages: -
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 Rev. Method: -
 Identifiers: BibTex Citekey: 6550
DOI: 10.1177/03010066100390S101
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Title: 33rd European Conference on Visual Perception (ECVP 2010)
Place of Event: Lausanne, Switzerland
Start-/End Date: 2010-08-22 - 2010-08-26

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Title: Perception
Source Genre: Journal
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Publ. Info: London : Pion Ltd.
Pages: - Volume / Issue: 39 (ECVP Abstract Supplement) Sequence Number: - Start / End Page: 96 Identifier: ISSN: 0301-0066
CoNE: https://pure.mpg.de/cone/journals/resource/954925509369