Brain Ventricle Expansion: The Dark Side of Multiple Spaceflights on Human Brain Structure — A study reveals that space |
Spaceflight induces changes in the brain that may not normalize before subsequent flights, according to a study published in Scientific Reports. The study, which used MRI scans of 30 astronauts before and after spaceflight, revealed that the brain’s ventricles—cavities filled with cerebrospinal fluid—expand progressively with longer space missions of up to six months.
Spaceflight experience, in particular longer missions and shorter inter-mission recovery time, induce fluid changes in the brain that may not return to normal before subsequent flights, reports a study published in. Ventricles — cavities in the brain filled with cerebrospinal fluid — expand increasingly with longer spaceflight missions of up to six months, and inter-mission intervals of less than three years may not allow sufficient time for the ventricles to fully recover.
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