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Reactions of animals and people under conditions of brief weightlessnessIt has been shown that under brief weightlessness sensory reactions arise in a number of people, mainly those under these conditions for the first time, in the form of spatial and visual illusions, motor excitation, in which tonic and motor components can be distinguished, and vestibular-vegetative disturbances (nausea, vomiting, etc.). In repeated flights with creation of weightlessness, a decrease in the extent of expression and, then, disappearance of these reactions occurred in a significant majority of those studied. Experiments in weightlessness with the vision cut off and with the absence of vestibular functions in the subjects confirm the hypothesis that spatial conceptions of people in weightlessness depend on predominance of gravireceptor or visual afferent signals under these conditions.
Document ID
19750015038
Acquisition Source
Legacy CDMS
Document Type
Book
Authors
Kitayev-Smik, L. A.
(Kanner (Leo) Associates Redwood City, CA, United States)
Date Acquired
August 8, 2013
Publication Date
March 1, 1975
Publication Information
Publication: Weightlessness: Med. and Biol. Res. (NASA-TT-F-16105)
Subject Category
Aerospace Medicine
Accession Number
75N23110
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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