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  Do cause and effect need to be temporally continuous? Learning to compensate for delayed vestibular feedback

Cunningham, D., Kreher, B., von der Heyde, M., & Bülthoff, H. (2001). Do cause and effect need to be temporally continuous? Learning to compensate for delayed vestibular feedback. Poster presented at First Annual Meeting of the Vision Sciences Society (VSS 2001), Sarasota, FL, USA.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-E179-F Version Permalink: http://hdl.handle.net/21.11116/0000-0005-A9B0-5
Genre: Poster

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Cunningham, DW1, 2, Author              
Kreher, BW1, 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: Delaying the presentation of information to one modality relative to another (an intersensory temporal offset) impairs performance on a wide range of tasks. We have recently shown, however, that a few minutes exposure to delayed visual feedback induces sensorimotor temporal adaptation, returning performance to normal. Here, we examine whether adaptation to delayed vestibular feedback is possible. Subjects were placed on a motion platform, and were asked to perform a stabilization task. The task was similar to balancing a rod on the tip of your finger. Specifically, the platform acted as if it were on the end of an inverted pendulum, with subjects applying an acceleration to the platform via a joystick. The more difficulty one has in stabilizing the platform the more it will oscillate, increasing the variability in the platform's position. The experiment was divided into 3 sections. During the Baseline section (5 minutes), subjects performed the task with immediate vestibular feedback. They then were presented with a Training section, consisting of 4 sessions (5 minutes each) during which vestibular feedback was delayed by 500 ms. Finally, subjects were presented with a Post-test (two minutes) with no feedback delay. Subjects performed rather well in the Baseline section (average standard deviation of platform tilt was 1.37 degrees). The introduction of the delay greatly impaired performance (8.81 degrees standard deviation in the 1st Training session), but performance rapidly showed significant improvement (5.59 degrees standard deviation during the last training section, p<0.04). Subjects clearly learned to compensate, at least partially, for the delayed vestibular feedback. Performance during the Post-test was worse than during Baseline (2.48 degrees standard deviation in tilt). This decrease suggests that the improvement seen during training might be the result of intersensory temporal adaptation.

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 Dates: 2001-12
 Publication Status: Published in print
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 Identifiers: DOI: 10.1167/1.3.135
BibTex Citekey: 640
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Title: First Annual Meeting of the Vision Sciences Society (VSS 2001)
Place of Event: Sarasota, FL, USA
Start-/End Date: 2001-05

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Title: Journal of Vision
Source Genre: Journal
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Publ. Info: Charlottesville, VA : Scholar One, Inc.
Pages: - Volume / Issue: 1 (3) Sequence Number: - Start / End Page: 135 Identifier: ISSN: 1534-7362
CoNE: https://pure.mpg.de/cone/journals/resource/111061245811050