Breast Mourning

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[–]Vulptex 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (2 children)

And they're all either the result of hormones, socialization, or are only indirectly correlated with sex. For example, female brains are 10% smaller on average. But it turns out that's actually because they're shorter on average. There are hormonal differences but those don't appear until puberty, and they still affect trans people.

[–]ActuallyNot 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 1 fun -  (1 child)

Mediated by hormones perhaps. But you can't know that none of it is due to the genetic differences of the sex chromosomes themselves.

It's not height that makes the difference. Skull size is independently different. And even if you ignore head-size-related measurements, you can still identify from the brain alone the sex in 92% of cases.

Even if you take out brain size entirely, and correct for the effects of that on every other measurement you can still tell sex from the brain better than a coin toss. (Technically about 70% of the time, as at what we knew back in 2016).

[–]Vulptex 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)

Skull size affects brain size. This is all stupid, every single supposed difference turns out to be caused indirectly by a different trait.

Even if there are trends, which we can never seem to identify, there's still no evidence for a distinctly male or female brain.