Simon Baron-Cohen, one of the authors of Prenatal Testosterone in Mind, was featured on a fascinating BBC series called "Secrets of the Sexes." He was interviewed regarding the effects of the very potent hormone testosterone on the prenatal brain. It turns out that there is a link between a baby’s exposure to testosterone in the womb and his or her tendency to make eye contact in the first year. Baron-Cohen's lab also looks at the relationship between prenatal testosterone and other postnatal developmental behaviors such as autism and language acquisition.
The "Secret of the Sexes" website is engaging and full of short psychology tests like "Spot the Fake Smile" that are fun to take. Oh, by the way, Simon Baron-Cohen is not only a professor of developmental psychopathology, he is also related to Sacha Baron-Cohen. You know, Ali G.