Every time I ask this question, I feel like the answer sidesteps an actual explanation. Yes, I understand that the folded, wrinkled shape allows for more surface area. The heart of my question is WHY is that important? Like, if the outermost layer of the brain is important, why couldn’t it just be a thicker layer instead of just squishing more outermost layer into a wrinkled shape?
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>…the folded, wrinkled shape allows for more surface area. The heart of my question is WHY is that important?
The more paper you have, the more you can write down. More RAM, more memory, literally. The surface area is the memory. There’s a recent study about brain neurons and more communication. Yes the title is clickbait — there’s nothing hiding, they just didn’t know what it was. [https://www.sciencealert.com/scientists-just-found-a-new-kind-of-synapse-hiding-in-the-brains-of-mice](https://www.sciencealert.com/scientists-just-found-a-new-kind-of-synapse-hiding-in-the-brains-of-mice)
Detail, the thinner something is the more layers it can fold.
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