Brain magnetic resonance imaging (MRI) ... bilateral cuneus, and areas around the left central sulcus distinguish ADHD from typically developing patients.

Narrowing of the central sulcus occurred in 17 of 18 astronauts after long-duration flights (mean flight time, 164.8 days) and in 3 of 16 astronauts after short-duration flights (mean flight time ...

Seventeen of the 18 long-term astronauts experienced a narrowing of the central sulcus in the brain. This was present in only three of the short-term astronauts.

Results showed a narrowing of the central sulcus in 17 of 18 (94%) astronauts after long-duration flights and in 3 of 16 (19%) astronauts after short-duration flights (P < .001).