this post was submitted on 30 Mar 2024
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the_dunk_tank
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In fairness. Humans did specifically massively increase brain and skull size to fit all our smarts in, no?
On a time scale of millions of years, yes. Not in the last few decades. This is an insane thing to say.
Genetic determinists think that a couple generations of PMC people marrying other PMC people will produce a new subspecies or some shit. Like bruv even ignoring how that's not really happening the way you think it is it takes a lot more than that.
What's PMC mean comrade? Help those of us with smaller heads
"Professional Managerial Class"
Preposterously Massive Cranium
No, that's a hold-over from the caliper people
https://www.newscientist.com/article/mg20727711-300-size-isnt-everything-the-big-brain-myth/
Here's another
https://www.sciencedaily.com/releases/2020/09/200925113353.htm
Isn't there some evolutionary pressure, and it could be that it applies to primates in general and not just humans, for big-headedness? Like if big-headedness didn't help, then you could imagine two populations, A and B, where A has big heads and B doesn't. B loses fewer mothers during childbirth. Those mothers can then give birth more times, making B grow faster than A, so after enough time, we're all medium-head B-people. But somehow we ended up with me not being able to hold my head up in baby pictures. What gives?
Brain size does matter, but we also massively increased its efficiency during evolution and developed social 'tools' to utilize it better.