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Adaptation to vection-induced symptoms of motion sicknessThe effects of repeated exposures to a rotating circular vection drum on the symptoms of motion sickness and tachygastria in humans were investigated. Subjects were sitting in a drum and were exposed to 15 min baseline (no rotation), followed by 15 min drum rotation at 60 deg/s, and, then, by 15 min recovery. Gastric myoelectric activity was continuously recorded with the electrogastrogram. Subjects who were exposed to the drum three times with intervals of 4-24 days all showed symptoms of tachygastria and failed to show an amelioration of motion sickness symptoms. On the other hand subjects who had only 48 h between the three sessions of drum exposure, experienced a reduction in motion-sickness symptoms and in tachygastsria upon repeated exposure to the drum, indicating that training effected a symptomatic and physiological adaptation. It is suggested that preflight adaptation to visual-vestibular sensory mismatch may reduce motion sickness in astronauts.
Document ID
19890054785
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Stern, Robert M.
(Pennsylvania State Univ. University Park, PA, United States)
Hu, Senqi
(Pennsylvania State Univ. University Park, PA, United States)
Vasey, Michael W.
(Pennsylvania State Univ. University Park, PA, United States)
Koch, Kenneth L.
(Pennsylvania State University University Park and Hershey, United States)
Date Acquired
August 14, 2013
Publication Date
June 1, 1989
Publication Information
Publication: Aviation, Space, and Environmental Medicine
Volume: 60
ISSN: 0095-6562
Subject Category
Aerospace Medicine
Accession Number
89A42156
Funding Number(s)
CONTRACT_GRANT: NAG9-118
Distribution Limits
Public
Copyright
Other

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