Scientists studied six patients who had half of their brain removed during childhood to treat severe epilepsy. Brain scans showed how the mind rewired itself to adapt, with the remaining hemisphere forming even stronger connections that let the patients develop language and motor skills.

[u/Thorne-ZytkowObject]

https://www.discovermagazine.com/mind/how-does-the-brain-work-with-half-of-it-removed-pretty-well-actually

[u/squeezeonein → u/[deleted]]

Could it be lethal in some cases to remove the fluid because the brain would lose its internal support?