The neurohypophyseal hormone oxytocin has been implicated in many aspects of
reproduction including sexual behavior. This review considers the hypotheses that oxytocin�…

Both estradiol and testosterone have been implicated as the steroid critical for modulating
women's sexual desire. By contrast, in all other female mammals only estradiol has been�…

Male behavioral responses to offspring range from avoidance to infanticide to nurturing care.
If this book were focussed on parental care among nonmammalian vertebrates, most of the�…

Sexually dimorphic behavior in nonhuman primates results from behavioral predispositions
organized by prenatal androgens. The rhesus monkey has been the primary primate model�…

This article reviews what is currently known about how men and women respond to the
presentation of visual sexual stimuli. While the assumption that men respond more to visual�…

Circadian rhythms and “clock gene” expression are involved in successful reproductive
cycles, mating, and pregnancy. Alterations or disruptions of biological rhythms, as commonly�…

How can we best discover the ultimate, evolved functions of endocrine signals within the
field of human behavioral endocrinology? Two related premises will guide my proposed�…

Challenging everything from the mandates of the Catholic Church to the hotly debated ethics
of pornography, and from the controversy surrounding gay rights to issues of gender and�…

Gonadal hormones regulate the ability to copulate in most mammalian species, but not in
primates because copulatory ability has been emancipated from hormonal control. Instead�…

Sexual motivation (desire) requires the simultaneous presence of an active central motive
state and a stimulus with sexual significance. Once activated, sexual motivation leads to�…