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ok so, here's my theory. The obvious answer here is that this is obviously "for hunting" or something. But evolution doesn't really work that way.
So my take on this is that this is actually an evolutionary adaptation to the different structure of the male body, as well as it's general abilities, and how they have been used throughout humanity. If men are generally stronger, taller, and faster runners, wouldn't it make sense that the visual processing would be adapted to be more responsive to these use cases?
this seems like the only realistic answer to me. Something about men must be different enough, or at the very least, have been used differently enough at some point in time for a long enough period of time, that it has to have been an evolutionary adaptation.
I was thinking it was more to do with dancing, possibly even music. It could even be something really weird.
Usually the way to identify if its about hunting/war or not is to find the exceptions and links: do hunters that perform really, really well have 3x the visual cortex neurons? Is it a socialization thing where doing certain tasks results in higher brain differentiation?
There's a lot of questions
You're thinking of Homo Groovensis, the famous hunter dancerers.
hell yeah those guys fucking ripped shit up