For questions regarding sexual expression, sexual orientation, and biological bases of sexual behaviors

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68
votes
5answers
12k 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. ...
5
votes
2answers
7k views

How important is eye contact for attraction between a man and woman?

How important is eye contact for creating/inducing attraction & showing showing "confidence" towards them? What is the optimal eye locking duration between 2 persons for inducing this attraction? ...
9
votes
1answer
510 views

How to predict romantic attraction

Dating websites and psychological researchers attempt to find those factors that predict the fit between potential romantic partners. Examples for factors taken into consideration are the "big five" ...
8
votes
2answers
564 views

What part of the brain locks up when a man is in the presence of an extremely attractive female?

This question is specifically about the male brain and its lack of cognition in the presence of a highly attractive female. This is in contrast to regaining cognitive ability in the presence of an ...
3
votes
1answer
722 views

How sexual activity influences a woman's sex drive

Sheila Gregoire suggests that increasing the amount of sexual activity increases a woman's sexual desire in general. I can postulate that child bearing and raising impacts significantly upon a woman's ...
15
votes
2answers
2k views

What is the effect of viewing pornography on children?

It is generally accepted that porn shouldn't be seen by children, and we even sometimes punish parents who fail to stop their children from finding porn. How much are these laws based in science? Can ...
4
votes
1answer
1k views

What does scientific research say about the relationship between penis size and attractiveness?

Pop-culture often equates a larger penis with a more attractive penis. Is there any scientific research examining the relationship between penis size and attractiveness ratings? What are the reasons ...
3
votes
2answers
4k views

How long does physical attraction typically last in a permanent relationship?

How long, on average (and with as much other statistical data, e.g. standard deviation, as possible) does physical attraction between male and female in a permanent relationship last? I believe this ...
6
votes
1answer
344 views

Transsexuality in animals other than humans?

In some research papers, transsexuality is correlated with measurable differences in brain structure. For example: Zhou et al. (1995) inspected the central subdivision of the bed nucleus of the ...
1
vote
1answer
154 views

How objective are scientific measures of paraphilia?

Paraphilia (from Greek para = beside and -philia = friendship, meaning love) describes the experience of intense sexual arousal to highly atypical objects, situations, or individuals. Which ...
6
votes
1answer
273 views

Is paraphilia a disorder?

There has been some confusion in recent questions about the term paraphilia. In most questions and answers, including my own, paraphilias have been seen as disorders that might require treatment. But ...
4
votes
2answers
5k views

What causes fetishes? Are they sexual disorders?

Why do people have fetishes, such as foot fetishes? How do such fetishes form? Are childhood incidents the main cause of fetishes? Are fetishes a sexual disorder?
4
votes
1answer
814 views

Is mutually consensual BDSM a symptom of a sick mind or an expression of freedom from social constraints?

BDSM an acronym for bondage and discipline; dominant and submissive; sado-masochism; slave and master. Assume such a relationships or sexual practices are genuinely mutually consenting; and by ...
4
votes
1answer
319 views

Are individuals who are generally jealous more likely to experience sexual jealousy?

Some people are just jealous of many things they perceive others to possess. Materially or as part of that person. Is a person who is prone to jealousy more likely to be jealous in romantic ...
3
votes
2answers
273 views

Is homosexuality a psychological illness or a natural disposition of a person's sexual orientation?

Homosexuals are oft criticized for their sexuality to which they would say they are just not attracted to the member of the opposite sex and that it's the other way round. So, is this attraction to ...
2
votes
1answer
180 views

How does masturbation influence your brain and dreams?

What exactly changes in your brain the moment after you've finished masturbating? Could there be any effect neuro-psychologically on dreams or lucid dreaming?