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Motion sickness and development of synergy within the spatial orientation system. A hypothetical unifying conceptAdaptation to research paradigms such as rotating rooms and optical alteration of visual feedback during movement results in development of perceptual-motor programs that provide the reflexive assistance that is necessary to skilled control of movement and balance. The discomfort and stomach awareness that occur during the adaptation process has been attributed to conflicting sensory information about the state of motion. Vestibular signals depend on the kinematics of head movements irrespective of the presence or absence of signals from other senses. We propose that sensory conflict when vestibular signals are at least one component of the conflict are innately disturbing and unpleasant. This innate reaction is part of a continuum that operates early in life to prevent development of inefficient perceptual-motor programs. This reaction operates irrespective of and in addition to reward and punishment from parental guidance or goal attainment to yield efficient control of whole body movement in the operating environment of the individual. The same mechanism is involved in adapting the spatial orientation system to strange environments. This conceptual model "explains" why motion sickness is associated with adaptation to novel environments and is in general consistent with motion sickness literature.
Document ID
20040142051
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Guedry, F. E.
(University of West Florida Pensacola, United States)
Rupert, A. R.
Reschke, M. F.
Date Acquired
August 22, 2013
Publication Date
November 15, 1998
Publication Information
Publication: Brain research bulletin
Volume: 47
Issue: 5
ISSN: 0361-9230
Subject Category
Aerospace Medicine
Distribution Limits
Public
Copyright
Other
Keywords
Review, Tutorial
Review
NASA Discipline Neuroscience
NASA Center JSC

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