There is about a 50 percent overlap between what men’s genitals respond to as “sex-related” and what their brains respond to as “sexually appealing.” And there is about a 10 percent overlap between what women’s genitals respond to as “sex-related” and what their brains respond to as “sexually appealing.” Men’s genitals are relatively specific in what they respond to, and so are their brains. Women’s genitals are relatively general in what they respond to, while their brains are more sensitive to context.
