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Sensory-Motor Adaptation
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The most overt change affecting an astronaut in space flight is the immediate response of the neurovestibular system to changes in gravity. Astronauts experience orientation illusions, posture and locomotion disturbances, vestibulo-occular function and gaze changes, space motion sickness, and possible structural changes affecting sensory-motor behavior and reorganization. Research and technology efforts include ground-based tests of neurological adaptation, operational implications, countermeasures, and impacts on other physiological systems; and instrumentation, models and methods to improve preflight adaptation and better understand individual responses. Countermeasures include artificial gravity, preflight training and adaptation, automated landing systems, inflight exercises, and advanced VR systems.
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