Why Does The Brain Have A Wrinkled Appearance?
The reason the brain looks wrinkled is that it soaks up the surrounding cerebrospinal fluid and gets all pruney, like fingers in a bathtub. I thought everyone knew that. Of course, there are other theories involving far-out notions like “surface area” and “efficiency.” Some people think that folding the outer layers of the brain in on itself provides anatomical advantage. As devastating as it may be to the Prune Finger Theory, they may be onto something. More






