Why smoothness =less intelligent
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More wrinkles = more surface area
We generally correlate the outer brain areas with higher level functions.
The wrinkles also pack the tissue closer together and there has been good evidence to suggest that there is communication over the gaps of those wrinkles, after all the brain is encased in all sorts of liquid and fiber, muscle and whatnot, supplying it with ressources too. so with a more wrinkly brain you got a lot more surface area, stuff is packed closer together and it can possibly communicate more with eachother as it can kinda communicate over those gaps…quite possibly even the neurons neighboring the other side of that gap more directly.. on a smooth brain this just cant happen.
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