What Causes Homosexuality In The Brain

What causes homosexuality in the brain

Main article: Sexual orientation There is considerably more evidence supporting innate causes of sexual orientation than learned ones, especially for males. This evidence includes the cross-cultural correlation of homosexuality and childhood gender nonconformitymoderate genetic influences found in twin studieswhat causes homosexuality in the brain for prenatal hormonal effects on brain organization, the fraternal birth order effect, and the finding that in rare cases where infant males were raised as girls due to physical deformity, they nevertheless turned out attracted to females.

Hypothesized social causes are supported by only weak evidence, distorted by numerous confounding factors. Cultures that are very tolerant of homosexuality do not have significantly higher rates of it. Homosexual behavior is relatively common among boys in British single-sex boarding schools, but adult Britons who attended such schools are no more likely to engage in homosexual behavior than those who did not.

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In an extreme case, the Sambia people ritually require their boys to engage in homosexual behavior during adolescence before they have what causes homosexuality in the brain access to females, yet most of these boys become heterosexual.

One hypothesis involves kin selectionsuggesting that homosexuals invest heavily enough in their relatives to offset the cost of not reproducing as much directly. This has not been supported by studies in Western cultures, but several studies in Samoa have found some support for this hypothesis. Another hypothesis involves sexually antagonistic genes, which cause homosexuality when expressed in males but increase reproduction when expressed in females.

Studies in both Western and non-Western cultures have found support for this hypothesis. A number of them including neo-analytic theories, sociobiological theories, social learning theorysocial role theoryand script theory agree in predicting that men should be more approving The Importance Of casual sex sex happening outside a stable, committed relationship such https://modernalternativemama.com/wp-content/custom/research-paper/essay-on-harriet-tubman.php marriage and should also be more promiscuous have a higher number of sexual partners than women.

These theories are mostly consistent with observed differences in males' and females' attitudes toward casual sex before marriage in the United States.

Other aspects of human sexuality, such as sexual satisfaction, incidence of oral sexand attitudes toward homosexuality and masturbationshow little to no observed difference between males and females. Observed gender differences regarding the number of sexual partners are modest, with males tending to have slightly more than females.

They also deal with the influence of biological factors on other aspects of sexuality, such as organic and neurological responses, [16] heredity, hormonal issues, gender issues, and sexual dysfunction. As adults, they have different reproductive mechanisms that enable them to perform sexual acts and to reproduce.

Men and women react to sexual stimuli in a similar fashion with minor differences. Women have a monthly reproductive cycle, whereas the male sperm production cycle is more continuous. This is a small area at the base of the brain consisting of several groups of nerve cell bodies that receives input from the limbic system. Studies have shown that within lab animals, the destruction of certain areas of the hypothalamus causes the elimination of sexual behavior.

The pituitary gland secretes hormones that are produced in the hypothalamus and itself. The four important sexual hormones are oxytocinprolactinfollicle-stimulating hormoneand luteinizing hormone. Production of spermatozoa sperm is also cyclic, but unlike the female ovulation cycle, the sperm production cycle is constantly producing millions of sperm https://modernalternativemama.com/wp-content/custom/argumentative-essay/truth-about-freemasonry.php. The male genitalia are the penis and the scrotum.

The penis provides a passageway for sperm and urine. In the scrotum, the testicles are held away from the body, one possible reason for this is so sperm can be produced in an environment slightly lower than normal body temperature. The penis has very little muscular tissue, and this exists in its root. Unlike most other primates, male humans lack a penile bone. Millions of sperm are produced daily in several hundred seminiferous tubules.]

What causes homosexuality in the brain Video

New study finds there is no single gene that determines sexual orientation

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Theme Of Power In Cry The Beloved	1 day ago · I'm on an extended break from poppers after what looks like eye damage from some pentyl. I realize that part of the rush of poppers is the forced intoxication and a dom encouraging me to hit the bottle over and over again. 1 day ago · Namely, on the protein that is involved in the development of the brain areas that determine the sexual orientation of men. researchers do not want to commit themselves to a single biological cause for homosexuality. So far, a mixture of different factors is considered the most likely. 4 rows · 3 days ago · What causes homosexuality in the brain: Fundraising For A Cause is the worlds largest awareness.
What causes homosexuality in the brain	1 day ago · I'm on an extended break from poppers after what looks like eye damage from some pentyl. I realize that part of the rush of poppers is the forced intoxication and a dom encouraging me to hit the bottle over and over again. 4 rows · 3 days ago · What causes homosexuality in the brain: Fundraising For A Cause is the worlds largest awareness. This evidence includes the cross-cultural correlation of homosexuality and childhood gender nonconformity, moderate genetic influences found in twin studies, evidence for prenatal hormonal effects on brain organization, the fraternal birth order effect, and the finding that in rare cases where infant males were raised as girls due to physical deformity, they nevertheless turned out attracted .

what causes homosexuality in the brain.