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Postural Stability and Stereo-Ambiguity in Man-Designed Visual Environments

Author

Listed:
  • Lasley, David J.
  • Hamer, Russell D.
  • Dister, Robert
  • Cohn, Theodore E.

Abstract

Our modern rectilinear visual environment contains visual stimuli for which evolution has not had time to optimally shape visual processing. One such stimulus, periodic stripes, is known to lead to visual depth ambiguity. In this paper we show that postural instability, as measured by the variance of fore and aft sway, is increased by viewing such stimuli. This instability may be the precursor of falls. Designers must evaluate the visual impressions conveyed by their systems in order to avoid postural instability due to visual ambiguity.

Suggested Citation

  • Lasley, David J. & Hamer, Russell D. & Dister, Robert & Cohn, Theodore E., 1991. "Postural Stability and Stereo-Ambiguity in Man-Designed Visual Environments," University of California Transportation Center, Working Papers qt2fs6d3g7, University of California Transportation Center.
    • Handle: RePEc:cdl:uctcwp:qt2fs6d3g7
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    Social and Behavioral Sciences;

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