She believes that Simon Baron-Cohen’s theory of male and female brains makes little sense. Connecting testosterone levels before birth to behavioral sex differences later on, she says, “is just this huge explanatory leap, and it leaves me uncomfortable because I don’t think it’s much of a scientific explanation when you make such a big leap. . . . We do see the differences, and I don’t disagree with that finding. What I disagree with is leaping to the idea that that this means it is something innate or inborn,” she adds.

