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The relative roles of the otolith organs and semicircular canals in producing space motion sicknessInflight and post-landing "immunity" to the "coriolis sickness susceptibility test", observed during the Skylab M131 experiment, suggests that the otolith organs play a major role in space motion sickness (SMS). This view is supported by the report that ocular counter-torsion asymmetries correlate with SMS incidence and severity. Further data indicate that sensory-motor adaptation to microgravity includes a process whereby central interpretation of otolith signals is biased from "tilt" toward translation. However, unexpected responses to linear acceleration suggest the importance of graviceptors distributed throughout the body in addition to the vestibular otolith organs. Research is needed to assess distributed graviceptor effects.
Document ID
20040172822
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Parker, D. E.
(University of Washington Seattle 98195-7923, United States)
Date Acquired
August 22, 2013
Publication Date
January 1, 1998
Publication Information
Publication: Journal of vestibular research : equilibrium & orientation
Volume: 8
Issue: 1
ISSN: 0957-4271
Subject Category
Aerospace Medicine
Distribution Limits
Public
Copyright
Other
Keywords
Non-NASA Center
NASA Discipline Neuroscience
Review
Review, Tutorial

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