Cycling rate is modulated by optic flow in a virtual bicycle environment

V. Gade*, I. Maidan, R. Gallagher, C. Torres, J. E. Deutsch

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Manipulation of optic flow using virtual environments (VE) is known to modulate walking speed. We developed a virtual reality augmented cycling system and sought to determine if manipulation of optic flow modified cycling rate. We tested three groups of healthy subjects (n = 553) as they cycled in a virtual park environment while we modified the gain for optic flow (gain at equal, and higher than comfortable cycling speed) using three protocols: 1) bike un-coupled with the VE and perceived gain, 2) bike coupled with VE and perceived gain and 3) bike coupled with VE and constant gain. We found that cycling speed increases were greatest when the bike was coupled with the VE and the gain was constant (F=5.207, p=0.028). Cycling rate increased with optic flow, which differs from the inverse relationship of optic flow and walking. To our knowledge this is the first study to provide preliminary evidence on cycling rate responses to optic flow.

Original languageEnglish
Title of host publication2011 International Conference on Virtual Rehabilitation, ICVR 2011
DOIs
StatePublished - 2011
Externally publishedYes
Event2011 International Conference on Virtual Rehabilitation, ICVR 2011 - Zurich, Switzerland
Duration: 27 Jun 201129 Jun 2011

Publication series

Name2011 International Conference on Virtual Rehabilitation, ICVR 2011

Conference

Conference2011 International Conference on Virtual Rehabilitation, ICVR 2011
Country/TerritorySwitzerland
CityZurich
Period27/06/1129/06/11

Keywords

  • Cycling
  • Optic flow
  • Virtual reality

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