�y��vlog

Three of the Space Station astronauts in Roberts’s study had swelling of the optic disk, and all three of them had narrowing of the central sulcus.

Heightened connectivity was also seen in the central sulcus of the brain, the primary sensory motor region of the brain.

But since many more astronauts had central sulcus narrowing, that’s apparently a necessary but not sufficient cause of optic disk compression.