DYNAMICS OF SUBJECTIVE DISCOMFORT IN MOTION SICKNESS AS MEASURED WITH A MAGNITUDE ESTIMATION METHOD

  • 1 January 1982
    • journal article
    • research article
    • Vol. 53  (8) , 773-777
Abstract
Eight [human] subjects, wearing left-right vision reversing goggles, executed sequences of controlled active head movements to provoke motion sickness. Head movement sequences were interspaced with periods of eye closure and no head movement to permit partial remission of symptoms between sequences. Subjects reported the level of discomfort experienced by using a magnitude estimation technique derived from Stevens'' (1957) ratio scaling method. The time course of subjective discomfort exhibits a profile, similar in all subjects, characterized by both fast and slow response components. The potential usefulness of magnitude estimation for research on the dynamic properties of the mechanism generating motion sickness symptoms is discussed.

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