Summarizing the evidence for sex differences in cognition

In a previous post I examined the biological and social influences on sex and gender identity. Evidence suggests that biology plays a powerful role in the determination of sex as well as of gender identity, although social forces are also important particularly as they relate to gender role expression. In this essay I'll examine the evidence surrounding a related controversial topic: whether or nor there are cognitive differences between the sexes and, if so, whether they are biological or social in origin. In what follows, I'll focus on individuals whose gender identity matches their biological sex. This leaves out nonbinary and transsexual persons, about whom there is far less research evidence. Nevertheless, given that transsexuals tend to have hypothalamuses that match their identified gender not their biological sex, it would be interesting to know if this produces cognitive differences as...

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