Subjective Vertical Conflict Theory and Space Motion Sickness

Wei Chen1, Jian-Gang Chao, Jin-Kun Wang

  • 1National Key Laboratory of Human Factors Engineering and the State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China.

Summary

Space motion sickness (SMS) is a challenge in spaceflight. The subjective vertical (SV) conflict theory explains SMS by a mismatch between sensed and expected vertical orientation, aiding in prediction and prevention.

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