2
votes
0answers
59 views

How are sexual cues known by the brain?

Sexual cues have been well established in evolutionary psychology as indicators of genetic compatibility/useful genes. How does the human brain know that a cue is an indicator of a useful trait in ...
7
votes
3answers
248 views

Non coitus sexual activity and the brain

Most animals will only engage in sexual activity that can result in reproduction. There are some exceptions; Bonobos, for instance, engage in a lot of sexual activity that does not involve coitus. ...
1
vote
0answers
42 views

How have sex differences in reproductive payoffs affected male and female relationship styles?

Pregnancy and the ensuing years of dependency of the child upon the woman, can leave a woman vulnerable physically, emotionally and financially. I think that biologically, pregnancy has no affect on ...
49
votes
5answers
6k views

Why do humans have sex in private?

Human couples usually have sex in private, hidden not only from predators, but also - other humans. It is unlike behavior of most species, including our relatives: bonobos, chimpanzees and gorillas. ...