There's still lots to explore and learn about the effects that space travel has on the body – and it seems those effects include some neuron rewiring that goes on in the brain.
Researchers studying the brains of 12 cosmonauts found what they describe as"significant microstructural changes" in the white matter that manages communications within the brain, and to and from the rest of the body. scans taken just before and right after the time participants spent in space, which lasted an average of 172 days. Further scans were carried out seven months later, and while there was a reversal of some changes, a few of them were still visible.
"Considering the different physics and kinesthetics applying to the extreme environment of space and the hypothesis that these have significant effects on the brain's representation and control of the body, these tracts are therefore suspected to reflect this altered sensorimotor function shown in space travelers,"This is the first time a brain imaging technique known as fiber tractography has been used in relation to the effects of spaceflight.
France Dernières Nouvelles, France Actualités
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