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Susceptibility to motion sickness among Skylab astronautsThe mechanisms causing susceptibility to motion sickness in zero gravity are not well understood. Preflight and postflight motion sickness susceptibility tests conducted on the three Skylab crews are described. Under operational conditions, the first Skylab crew experienced no motion sickness, while the other two crews did. Susceptibility was greater in the Skylab workshop than in the command module. Weightlessness in itself is a unique motion environment. Changes occur in nonrigid body parts and in the response of macular receptors in the otolith organs. Tests in parabolic flight, where zero gravity is the only significant factor in motion sickness susceptibility, indicate that some people need to adapt to weightlessness and others do not. A comparison of all US and Soviet manned missions indicates that a headward shift of fluid on transition to zero gravity is not a predisposing factor in motion sickness. Under certain conditions after adaptation susceptibility was lower in the Skylab workshop than on the ground. The anti-motion sickness drugs used in Skylab are judged effective for prevention and treatment.
Document ID
19750029659
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Graybiel, A.
Miller, E. F., II
(U.S. Navy, Naval Aerospace Medical Research Laboratory, Pensacola Fla., United States)
Homick, J. L.
(NASA Johnson Space Center Biomedical Research Office, Houston, Tex., United States)
Date Acquired
August 8, 2013
Publication Date
September 1, 1974
Subject Category
Aerospace Medicine
Report/Patent Number
IAF PAPER 74-102
Accession Number
75A13731
Funding Number(s)
CONTRACT_GRANT: NASA ORDER T-81633
Distribution Limits
Public
Copyright
Other

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