Early 20th century First research into sex differences by female psychologists.
1970s Studies of the sexes tend to emphasize differences between men and women.
1980s Studies suggest structural differences between the male and female brain.
1993 Anne Fausto-Sterling claims biological graduations exist between “male” and “female,” such that we can identify five different sexes along the spectrum.
2003 Simon Baron-Cohen argues that the female brain is predominantly hard-wired for empathy, and the male brain for understanding systems.
The emergence of feminist psychologists during the 1970s revived an interest ...