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  • A new eye movement recording system for vestibular research

    Paper ID



    • D. Masse
    • A. Lavaitte
    • G. Pleyber
    • A. Berthoz
    • J. Droulez





    Among the physiological perturbations induced in man by prolonged stay in weightlessness conditions, early observations have pointed out the role of the vestibular organs and more generally the role of multisensory interactions in the equilibrium system. For instance, the spacesickness is thought to be mainly provoked by some kind of conflict "between otolith (vestibular) informations which are deeply modified by weightlessness and other sensory informations like vision which remained quite inaltered. It can be claimed that one important scientific objective of medical research in space is the quantitative evaluation of the vestibular function in weightlessness, in conjunction with the study of the other motion related sensory system. In man, the vestibular function can be investigated through its perceptive effects (such as threshold of motion perception), postural efects and ocular reflexes.