Adaptation to microgravity during spaceflight causes neurological disturbances that are either directly or indirectly mediated by the vestibular system. These disturbances could include space motion sickness, spatial disorientation, cognitive impairment, as well as changes in head-eye coordination, vestibulo-ocular reflex, and strategies for controlling posture and locomotion. It seems that otolith-mediated reflex gain adapts rapidly over time during spaceflight and after landing. However, animal studies have shown that structural modifications of the vestibular sensory apparatus develop during long-duration spaceflight. To date, no studies have characterized the severity of vestibular syndromes experienced by astronauts as a function of the duration of spaceflight, or whether the effects are caused by changes at the peripheral end organs, midbrain, cerebellum, or vestibular cortex.


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    Title :

    Neuro-vestibular Examination During and Following Spaceflight


    Contributors:

    Conference:

    Human Research Program Investigators’ Workshop (HRP IWS 2020) ; 2020 ; Galveston, TX, United States


    Publication date :

    2020-01-27


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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