The intricate relationship between vestibular function and space travel has been under scrutiny since the 1960s when studies on individuals without a vestibular system unveiled their unusual immunity to motion sickness and inversion illusions during space-like conditions. These studies not only shed light on the unique adaptations regarding motor control in artificial gravity but also highlighted the relevance of vestibular function in interpreting spatial orientation and motor problems during and post short-duration space flights. As space missions extend from days to years and involve more civilian participation, understanding these mechanisms becomes crucial particularly as 80% of crew members experience space motion sickness which severely impacts mission performance and health post-reentry.

This Research Topic aims to leverage the latest advancements in vestibular impairment research to better understand and mitigate the physical and cognitive health risks faced by astronauts during prolonged space flights. By harnessing data from both sudden and progressive vestibular losses, the project seeks to predict and manage in-flight performance issues and facilitate post-reentry recovery, thereby enhancing the overall success and safety of space missions.

To gather further insights into how vestibular function affects space mission efficacy across various gravity conditions, we welcome articles addressing, but not limited to, the following themes:

- Ideal acceleration levels for maintaining otolith and semicircular canal function.
- Longitudinal monitoring of vestibular function and its cognitive effects in space.
- Correlations between inflight vestibular changes and post-flight performance deterioration.
- Development of diagnostic tests for space motion sickness and re-entry sickness.
- Strategies for improved recovery of locomotor and postural control post-flight.
- Contributions of vestibular-loss case studies to resolving cognitive and motor control issues in space.

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Frontiers in Neurology

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