Effect of Repeated Space Flights on Ocular Tracking
- Authors: Naumov I.A.1, Kornilova L.N.1, Glukhikh D.O.1, Pavlova A.S.1, Khabarova E.V.1, Ekimovsky G.A.1, Vasin A.V.2
-
Affiliations:
- Institute of Biomedical Problems, Russian Academy of Sciences
- Gagarin Scientific Research Center for Cosmonaut Training
- Issue: Vol 44, No 7 (2018)
- Pages: 765-774
- Section: Article
- URL: https://journals.rcsi.science/0362-1197/article/view/177886
- DOI: https://doi.org/10.1134/S0362119718070095
- ID: 177886
Cite item
Abstract
This paper reports the results of studying the vestibular and ocular intersensory interactions and eye tracking function in 32 cosmonauts on maiden and repeated missions to the International Space Station. Mission duration ranged from 125 to 215 days. The cosmonauts were tested twice pre launch (baseline data collection) and on days R + 1/2, R + 4/5, and R + 8/9. Video oculography was used to test eye movements. It was found that in the majority of cosmonauts who had no experience of long-duration space missions the eye tracking function remained significantly impaired untill day R + 8/9. In cosmonauts who had already encountered microgravity, obvious changes in eye tracking were observed on day R + 1/2 only and, residual, on day R + 4/5. During post-flight recovery, a new eye tracking strategy was acquired only by cosmonauts who had the first experience of spaceflight microgravity.
About the authors
I. A. Naumov
Institute of Biomedical Problems, Russian Academy of Sciences
Author for correspondence.
Email: naumovivan@gmail.com
Russian Federation, Moscow, 123007
L. N. Kornilova
Institute of Biomedical Problems, Russian Academy of Sciences
Email: naumovivan@gmail.com
Russian Federation, Moscow, 123007
D. O. Glukhikh
Institute of Biomedical Problems, Russian Academy of Sciences
Email: naumovivan@gmail.com
Russian Federation, Moscow, 123007
A. S. Pavlova
Institute of Biomedical Problems, Russian Academy of Sciences
Email: naumovivan@gmail.com
Russian Federation, Moscow, 123007
E. V. Khabarova
Institute of Biomedical Problems, Russian Academy of Sciences
Email: naumovivan@gmail.com
Russian Federation, Moscow, 123007
G. A. Ekimovsky
Institute of Biomedical Problems, Russian Academy of Sciences
Email: naumovivan@gmail.com
Russian Federation, Moscow, 123007
A. V. Vasin
Gagarin Scientific Research Center for Cosmonaut Training
Email: naumovivan@gmail.com
Russian Federation, Zvezdnyi Gorodok, Moscow oblast, 141160