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Topic: Causes of sexual orientation

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In the News (Thu 21 Mar 19)

  Sexual orientation - Wikipedia, the free encyclopedia
Sexual orientation refers to the sex or gender of people who are the focus of a person's amorous or erotic desires, fantasies, and spontaneous feelings, the gender(s) toward which one is primarily "oriented".
Sexual fetishism is usually considered orthogonal to the gender-based categories of sexual orientation listed above, though of course it may in some cases be an important part of a person's sexual identity and behavior.
Because sexual orientation is complex and multi-dimensional, some academics and researchers (especially in Queer studies) have argued that sexual orientation is a completely historical and social construction.
en.wikipedia.org /wiki/Causes_of_sexual_orientation   (3491 words)

 Choice and sexual orientation - Wikipedia, the free encyclopedia
In this case, the primary aspect of sexual orientation which is of interest is whether attractions are for members of the same, opposite, or both genders.
If sexual orientation is (completely or almost completely) a conscious choice, then social and culture influences no doubt play a large role, as they do in "lifestyle" choices like what foods to eat or how to throw a birthday party.
Proponents of the "choice about behavior" position point to taboo or illegal sexual acts, such as pedophilia or incest where society requires individuals not to act out their desires, as examples where choices are expected to be made whether or not orientation is a matter of choice.
en.wikipedia.org /wiki/Environment,_choice,_and_sexual_orientation   (919 words)

 Causes of sexual orientation - Susan's Place Transgender Wiki
Sexual orientation generally refers to how people of various genders create spontaneous feelings in the individual, or which orientation a person identifies with (which may be different).
The term sexual orientation is now preferred by most gay rights advocates for its emphasis on fixed sexual identity, as well as countering the charge by some that their sexuality is a choice, although both terms still see use.
In a sense, sexual orientation is a social construct, and a relatively new one.
wiki.susans.org /index.php/Causes_of_sexual_orientation   (2835 words)

 Causes of sexual orientation/Talk - Wikipedia
Causes of sexual orientation is a much better title.
There has also been a realization that any attempt at understanding the causes of sexual attraction to the same sex will be more successful if we understand the mechanisms that underlie sexual attraction per se, and more specifically what causes many people to feel sexual attraction primarily towards members of one particular sex.
There is at least one way I can think of that might cause people be predisposed towards homosexuality (or heterosexuality) that has nothing to do with genetics, but which I presume would still be considered "biological", and that is the possibility of something happening in the womb.
nostalgia.wikipedia.org /wiki/Causes_of_sexual_orientation/Talk   (1247 words)

 Sexual Orientation
I believe that sexual orientation is dependent on biological factors, which include: prenatal hormones, genetics, immunological reactions to the fetus, and the mother’s environment during the pregnancy, sexual dimorphism and latent taxa.
Significant brain structure differences that are associated with sexual orientation, specifically homosexuality are: the volume and density of suprachiasmatic nucleus, which is not sexually dimorphic, was greater in homosexual men, the third interstitial nucleus of the anterior hypothalamus, which is smaller in women than in men was smaller in homosexual men.
Sexual Orientation, has always been of discussion, in the Western world, heterosexuality was attributable to what God had ordained as natural and good, and all deviations from it were seen as the work of the devil or a sinful person’s freely choosing to be evil (Ellis and Ames, 1987).
chat.carleton.ca /~tcampbel/nicpg.html   (3884 words)

 Religion and sexual orientation - Wikipedia, the free encyclopedia
Some religions believe that non-heterosexual behavior as well as orientation are sinful; others emphasize that it is only the bodily act or the act of deliberately cultivating fantasy that are sinful: in other words, only an engagement of the will.
Just as people were thoroughly convinced in the correctness of white racial or male sexual superiority and later realized they were wrong, the situation is the same with regard to attitudes about sexual orientation (because discrimination is discrimination, no matter what the particular dividing line is).
Most believe that sexual orientation is defined by a variety of factors, including genetic, and that you cannot change it.
en.wikipedia.org /wiki/Religion_and_homosexuality   (2502 words)

 Causes of sexual orientation : Causes of heterosexuality   (Site not responding. Last check: 2007-11-07)
Causes of sexual orientation : Causes of heterosexuality
Research, and the experience of non-heterosexuals, suggests that sexual orientation is set in early childhood and perhaps even earlier.
It uses material from the wikipedia article Causes of sexual orientation : Causes of heterosexuality.
www.eurofreehost.com /ca/Causes_of_heterosexuality_3.html   (411 words)

 ApolloLife - Features
Sexual preference is a term once used to describe sexual orientation--bisexuality, homosexuality and heterosexuality--which is now outdated because sexual orientation is no longer commonly considered to be one's conscious individual preference or choice, but is instead thought to be formed by a complicated network of social, cultural, biological, economic, and political factors.
Sexual orientation may even be established before birth, like whether a person is born a male or a female.
Sexual orientation is not a "lifestyle choice"; it is a fixed, unchangeable, probably biological characteristic.
channels.apollolife.com /show.asp?NewAid=9750   (698 words)

 PsycLAW: Boys Scouts of America v. Dale Amicus Brief   (Site not responding. Last check: 2007-11-07)
With respect to sexual identity and sex role aspects of parenting, “no differences were found” on the parents' encouragement of same-sex friends or in their encouragement of gender-typed toys for their own children.
Furthermore, the sons' sexual orientations were unrelated to the amount of time they spent living with their fathers, the frequency of their contact with their fathers, the degree to which they accepted their father's sexual orientation or the quality of the father-son relationship.
A reverse study of the sexual orientation of 702 parents of gay men and lesbians revealed that 90 percent of the parents were heterosexual, 4 percent were bisexual, and only 6 percent were homosexual.
www.apa.org /psyclaw/boyscout.html   (3969 words)

 Sexual Orientation   (Site not responding. Last check: 2007-11-07)
Sexual Orientation is an enduring emotional, romantic, sexual or affectional attraction to another person.
Sexual orientation exists along a continuum that ranges from exclusive homosexuality to exclusive heterosexuality and includes various forms of bisexuality.
Sexual orientation is different from sexual behavior because it refers to feelings and self-concept.
www.gaycharlotte.com /lgbtfaqs/sexualorientation.htm   (1609 words)

 Team projects on www for Psychbiology - 2001
Sexual differentiation of the human hypothalamus in relation to gender and sexual orientation.
Sexual orientation is a fundamental aspect of human sexuality, and furthermore it is empirically linked to some aspects of gender roles, for example childhood play behavior and gender identity.
Miller adds that sexual orientation is just one of a number of traits that normally separate females from males and that it is likely that all or most of the sex-specific traits are activated (or turned off) by a single hormonal mechanism, which is occasionally partially activated in males producing homosexuality.
www.humboldt.edu /~morgan/sex_s01.htm   (2870 words)

 Welcome to TTU Lambda   (Site not responding. Last check: 2007-11-07)
Sexual orientation is one aspect of a person's sexuality and a statement of what gender someone is attracted to.
Usually, when a gay person claims their sexual orientation has changed (by means of certain conditioning or intense psychotherapy), they are lying, in denial, or mentally or emotionally damaged in some way by the "therapy" they have been recieving.
Many people will question some part of their sexuality at some point in their life, and usually the part questioned is sexual orientation and most often during the years between teenage and late twenties (though not always).
orgs.tntech.edu /lambda/orientation.html   (585 words)

 Causes of sexual orientation   (Site not responding. Last check: 2007-11-07)
The causes of sexual orientation, its determinants, or etiology are still a controversial field of science.
Those who consider the sexual behavior of gay men and lesbians to be violating their religious creeds believe sexual orientation is a conscious choice or the product of environmental factors, notably parental, which can and should be avoided.
On the other hand, those who believe sexual orientation to be an immutable characteristic consider discrimination based on that attribute to be immoral and believe that people should seek healthy relationships with the gender(s) of their orientation.
www.infothis.com /find/Causes_of_sexual_orientation   (671 words)

 Sexual Orientation - 7th Ed
Sexual orientation in some ways is like handedness: Most people are one way, some the other.
Laura Allen and Roger Gorski (1992) also concluded that brain anatomy influences sexual orientation after discovering that a section of the anterior commissure (the fibers that, like the corpus callosum, connect right and left hemispheres) is one-third larger in homosexual men than in heterosexual men.
It does, however, raise the troubling possibility that genetic markers of sexual orientation could someday be identified through fetal testing, and a fetus could be aborted simply for being predisposed to an unwanted orientation.
www.davidmyers.org /Brix?pageID=62   (3799 words)

 What causes sexual orientation?
Psychological and social influences alone cannot cause homosexuality.
It is found in about ten percent of the population, a figure which is surprisingly constant across cultures, irrespective of the different moral values and standards of a particular culture.
Six studies into the cause of sexual orientation, which studied on fingertip ridges, finger lengths, fraternal birth order, homosexuality in families, pedigree study, monozygotec (identical) twins.
www.religioustolerance.org /hom_caus.htm   (364 words)

 What causes sexual orientation?
The Roman Catholic church teaches that sexual orientation is beyond a person's control It is neither changeable nor chosen by the individual.
This would seem to prove that for at least some adult homosexuals, their sexual orientation was pre-determined before birth, perhaps at conception; certainly by the end of the 4th month of pregnancy.
They might indicate that homosexuality is genetically caused, or might show that it is caused by upbringing, by some hormonal levels in the womb or some other environmental factor that appears in some family lines more than other.
www.religioustolerance.org /hom_caus4.htm   (3134 words)

 Journal of Social Issues: Biological Research on Women's Sexual Orientations: Evaluating the Scientific Evidence   (Site not responding. Last check: 2007-11-07)
The importance of biological influences on sexual orientation is hotly debated.
The causes of sexual orientation are hotly debated everywhere from advice columns to Congress (Landers, 1992; Sullivan, 1984).
A subsequent line of research tested the hypothesis that women's sexual orientation is affected by their levels of circulating sex hormones (estrogens and androgens).
www.findarticles.com /p/articles/mi_m0341/is_2_56/ai_66419866   (1233 words)

 Facts About Changing Sexual Orientation
This is a potential weakness of the study because activists are highly motivated to report that they successfully changed their sexual orientation.
Mainstream medical organizations express their opposition to the vitamin, saying that it causes harm to many people who use it, and noting that there is no reason for left-handed people to try to change.
The mainstream view in psychology and psychiatry is that people who are troubled about their homosexual orientation have internalized society's prejudice against homosexuality, and that the appropriate task of a therapist is to help them to overcome those prejudices and to lead a happy and satisfying life as a gay man or lesbian.
psychology.ucdavis.edu /rainbow/html/facts_changing.html   (2265 words)

 The Science of Sex: Glenn Wilson on Homosexuality and the Brain
A popular biological theory says that, during the process of masculinization of the developing male, some critical nuclei in the brain that are concerned with sexual preference somehow escape exposure to the circulating male hormone and the sex target 'switch' is therefore not reset in the male direction (Feldman and MacCulloch, 1971).
Indications are that sex orientation in humans depends critically upon the hormone balance prevailing during the third and fourth months of pregnancy, while secondary sex characteristics and sex-typical behaviour patterns are influenced more by hormones circulating during the fifth and sixth months of pregnancy.
Sex orientation is fixed relatively early in the old 'limbic' part of the brain, whereas sex-role behaviours are laid down later on in pregnancy in more diverse, 'newer' parts of the brain.
www.heretical.com /wilson/hbrain.html   (633 words)

 What causes sexual orientation?
Almost all human sexuality researchers, gays and lesbians, religious liberals, and professionals in the medical and therapeutic professions define a person's "sexual orientation" according to the gender(s) of the person to whom that person is sexually attracted:
The most common belief of human sexuality researchers is that homosexual orientation is caused by a pre-existent genetic makeup which is established at conception.
The sexual orientation of one's parents appear to have little or no influence over the orientation of their children.
www.religioustolerance.org /hom_caus1.htm   (1959 words)

 Answers to Your Questions About Sexual Orientation and Homosexuality   (Site not responding. Last check: 2007-11-07)
It is also important to realize that a parent's sexual orientation does not dictate his or her children's.
Often lesbian, gay and bisexual people feel afraid, different, and alone when they first realize that their sexual orientation is different from the community norm.
Some states include violence against an individual on the basis of his or her sexual orientation as a "hate crime" and 10 U.S. states have laws against discrimination on the basis of sexual orientation.
www.apa.org /pubinfo/answers.html   (1600 words)

 Out In The Mountains : Health & Wellbeing - Orientation of the Species   (Site not responding. Last check: 2007-11-07)
And the causes of sexual orientation are not as murky as you might think.
Many lesbians may share gay men’s firm conviction that their sexual desires are deeply felt, and not a conscious choice, and that may indeed be so.
And because genes interact with the environment, and sexual orientation itself is so complex, chances are good that we’re not looking at a one-to-one, gene-to-behavior relationship.
www.mountainpridemedia.org /jan2000/hw_orientation.htm   (1279 words)

 New Scientist Breaking News - Gay men read maps like women
Therefore their brains are a sexual mosaic," explains Qazi Rahman, a psychobiologist who led the study at the University of East London, UK.
The hypothesis is that homosexual people shift in the direction of the opposite sex in other aspects of their psychology other than sexual preference.
"It might be that whatever causes sexual orientation and cognitive differences are uncoupled in lesbian development, while in gay men the two things could be tightly coupled," Rahman suggests.
www.newscientist.com /article.ns?id=dn7069   (681 words)

 Ask the Experts: Why do you think people turn gay — guys and girls? — teenwire.com
While we are not yet sure about what causes sexual orientation — being lesbian, bisexual, gay, or straight — there is increasingly strong evidence pointing towards biological factors, that are in place before birth.
And although sexual orientation probably begins to develop before birth, it may change over the course of a lifetime.
But whatever the cause or combination of causes, sexual orientation is not something that people can decide for themselves or for others.
www.teenwire.com /ask/2002/as-20020919p443-gay.php   (320 words)

Two weeks ago, a study was released suggesting that sexual orientation is biological, refuting those who say it is a chosen lifestyle.
Opponents of the pheromone research maintain that sexual orientation is a lifestyle choice rather than a part of an individual\'s biological makeup.
The Catholic Church accepts the present understanding that there might be several causes for sexual orientation, said Mike Liberato, director of student faith formation at St. John Student Parish.
www.rso.wmich.edu /outspoken/Activism.htm   (959 words)

 Sexual Orientation in a U.S. National Sample of Twin and Nontwin Sibling Pairs -- Kendler et al. 157 (11): 1843 -- ...   (Site not responding. Last check: 2007-11-07)
Sexual Orientation in a U.S. National Sample of Twin and Nontwin Sibling Pairs -- Kendler et al.
Sexual Orientation in a U.S. National Sample of Twin and Nontwin Sibling Pairs
Sexual orientation was assessed by a single item in part 2 of
ajp.psychiatryonline.org /cgi/content/full/157/11/1843   (2663 words)

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