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Human Physiology

, Volume 43, Issue 7, pp 757–764 | Cite as

Vestibular Function after Repeated Space Flights

  • I. A. Naumov
  • L. N. Kornilova
  • D. O. Glukhikh
  • A. S. Pavlova
  • E. V. Khabarova
  • G. A. Ekimovsky
  • A. V. Vasin
Article
  • 26 Downloads

Abstract

This paper presents the results from testing the vestibular function on return from repeated space flights (SF) in 32 cosmonauts of the International Space Station that were in long SFs of 125–215 days. The cosmonauts were tested twice before the flight (baseline data collection) and on days 1–2, 4–5, and 8–9 after landing. The testing was made using two methods for recording eye movements (with simultaneous recording of head movements): electro-oculography and video-oculography. It is shown that the repeated stay in the long SF leads to a considerable statistically significant reduction in the de-adaptation period. Atypical vestibular disorders and changed patterns of the otolith-semicircular canal interaction are observed mostly in the cosmonauts who have made their maiden flights to microgravity.

Keywords

vestibular system otolith-cervico-ocular reflex vestibular-cervico-ocular reflex vestibular reactivity microgravity 

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Copyright information

© Pleiades Publishing, Inc. 2017

Authors and Affiliations

  • I. A. Naumov
    • 1
  • L. N. Kornilova
    • 1
  • D. O. Glukhikh
    • 1
  • A. S. Pavlova
    • 1
  • E. V. Khabarova
    • 1
  • G. A. Ekimovsky
    • 1
  • A. V. Vasin
    • 2
  1. 1.Institute of Biomedical ProblemsRussian Academy of SciencesMoscowRussia
  2. 2.Gagarin Scientific Research Cosmonaut Training CenterZvezdnyi, Moscow oblastRussia

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