VISUAL-VESTIBULAR INTERACTIONS .1. INFLUENCE OF PERIPHERAL-VISION ON SUPPRESSION OF THE VESTIBULO-OCULAR REFLEX AND VISUAL-ACUITY

  • 1 January 1979
    • journal article
    • research article
    • Vol. 50  (3) , 205-211
Abstract
Legibility of head-fixed displays in some motion environments is partially dependent upon visual suppression of the vestibulo-ocular reflex (VOR). The effects of differing relationships between peripheral background movement and whole-body motion on the VOR and on [human] visual performance were investigated. The purpose of the study is to explore factors in motion environments that influence performance limits and to develop procedures of potential usefulness in evaluating interacting visual and vestibular function. Visual performance and visual suppression of the VOR were markedly different, depending on the relative direction of peripheral background movement. Visual suppression of the VOR, and visual performance, were disrupted far more when vestibular inputs and peripheral optokinetic inputs were discordant than when they were concordant. Results have potential implications for head-up displays and suggest a procedure for evaluating visual/vestibular function.

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