most evidence to date reveals a much larger contribution of sex-related hormones compared to sex-related genes to the sexual differentiation of the rodent brain and behavior
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studies revealed that feminization and masculinization are independent processes rather than two poles of a continuum
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And adding to the first link:
[brains whose features align clearly at either male or female end are] low (0% to 8%) and much lower than the number of mosaic brains (23% to 53%), that is, brains in which at least one feature was at the “femaleend” zone and one feature was at the “male-end” zone…
Considering we all start the same for the first few weeks and then differ after that, it makes sense it’s not 1 spectrum of differences. It should be 2 at least.
yes, I think it’s quite surprising to find most people have a mix of sexed traits, the whole concept of a strict binary doesn’t apply at all to the brain it seems
Extracts from 2nd link that stood out to me
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And adding to the first link:
Considering we all start the same for the first few weeks and then differ after that, it makes sense it’s not 1 spectrum of differences. It should be 2 at least.
yes, I think it’s quite surprising to find most people have a mix of sexed traits, the whole concept of a strict binary doesn’t apply at all to the brain it seems