Spaceflight Changes Your Brain Pathways

The International Space Station as it appears in 2018. Zarya is visible at the center of the complex, identifiable by its partially retracted solar arrays. (Credit: NASA)

by Alisson Clark
University of Florida

GAINESVILLE, Fla. (University of Florida PR) — Brain scans of astronauts before and after spaceflight show changes to their white matter in areas that control movement and process sensory information, a University of Florida study shows.

The deterioration was the same type you’d expect to see with aging, but happened over a much shorter period of time. The findings could help explain why some astronauts have balance and coordination problems after returning to Earth, said Rachael Seidler, a professor with UF’s College of Health and Human Performance.

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