Quote:
Originally Posted by valerie d
I think you would be grossly wrong about that statistic. Grossly wrong.
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No. The figures are from a National Survey Report on the CDC website:
http://www.cdc.gov/nchs/nsfg/abc_list_s.htm#analsex
Quote:
Originally Posted by valerie d
I am curious. Maybe I just need to understand you better. What in the workings of a mans brain turns him off about a womans vaginal and turns him on about another mans anus?
Both have very strong biological references for use/ One for contraception pleasure and child bearing the other for eliminating waste!
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Umm.... your vagina is used for eliminating waste as well. So is a penis.
Quote:
Originally Posted by valerie d
Maybe those accepting academics you allude to have an agenda. Don't be so militant about it just explain yourself. I am taking you in a direction you don't want to go and you don't like it.
You have been made excuse for and molly coddled too long. I have met gays that I truly do believe have a biological precondition I believe cannot be easily explained. I think the majority is a choice a sociological conditioning that went awry.
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The 'direction' you want to go has no evidence to support it and has been disproved for years. Why would anyone who is more up to date and educated on the topic want to go in that 'direction'?
Considering how easy it is to find information from reputable health/science sources these days, I think people who choose to remain willfully ignorant about the topic of homosexuality and insist on spreading theor uninformed prejudiced opinions, have been 'molly-coddled' for far too long.
The following information has already been posted in this thread, but here it is again. It's just a small sample of information/research/studies available to those who
want to inform themselves.
Royal College of Psychiatrists:
"Despite almost a century of psychoanalytic and psychological speculation, there is
no substantive evidence to support the suggestion that the nature of parenting or early childhood experiences play any role in the formation of a person’s fundamental heterosexual or homosexual orientation. It would appear that sexual orientation is biological in nature, determined by a complex interplay of genetic factors and the early uterine environment."
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American Academy of Pediatricians:
"...there is no scientific evidence that abnormal parenting, sexual abuse, or other adverse life events influence sexual orientation".
http://aappolicy.aappublications.org/cgi/reprint/pediatrics;113/6/1827.pdf
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Sexual hormones and the brain: an essential alliance for sexual identity and sexual orientation (2010)
Endocr Dev. 2010;17:22-35. Epub 2009 Nov 24. Garcia-Falgueras A, Swaab DF.
The fetal brain develops during the intrauterine period in the male direction through a direct action of testosterone on the developing nerve cells, or in the female direction through the absence of this hormone surge. In this way, our gender identity (the conviction of belonging to the male or female gender) and
sexual orientation are programmed or organized into our brain structures when we are still in the womb.
However, since sexual differentiation of the genitals takes place in the first two months of pregnancy and sexual differentiation of the brain starts in the second half of pregnancy, these two processes can be influenced independently, which may result in extreme cases in trans-sexuality. This also means that in the event of ambiguous sex at birth, the degree of masculinization of the genitals may not reflect the degree of masculinization of the brain.
There is no indication that social environment after birth has an effect on gender identity or sexual orientation
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Gay brains structured like those of the opposite sex - life - 16 June 2008 - New Scientist
Brain scans have provided the most compelling evidence yet that being gay or straight is a biologically fixed trait.
The scans reveal that in gay people, key structures of the brain governing emotion, mood, anxiety and aggressiveness resemble those in straight people of the opposite sex.
The differences are likely to have been forged in the womb or in early infancy, says Ivanka Savic, who conducted the study at the Karolinska Institute in Stockholm, Sweden.
"This is the most robust measure so far of cerebral differences between homosexual and heterosexual subjects," she says.
Previous studies have also shown differences in brain architecture and activity between gay and straight people, but most relied on people's responses to sexuality driven cues that could have been learned, such as rating the attractiveness of male or female faces.
Brain symmetry
To get round this, Savic and her colleague, Per Lindström, chose to measure brain parameters likely to have been fixed at birth.
"That was the whole point of the study, to show parameters that differ, but which couldn't be altered by learning or cognitive processes," says Savic.
"This study demonstrates that homosexuals of both sexes show strong cross-sex shifts in brain symmetry," says Qazi Rahman, a leading researcher on sexual orientation at Queen Mary college, University of London, UK.
"The connectivity differences reported in the amygdala are striking."
"Paradoxically, it's more informative to look at things that have no direct connection with sexual orientation, and that's where this study scores," says Simon LeVay, a prominent US author who in 1991 reported finding differences(pdf) in a part of the brain called the hypothalamus between straight and gay men.
PET and MRI show differences in cerebral asymmetry and functional connectivity between homo- and heterosexual subjects
http://www.pnas.org/content/early/20...66105.abstract
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"A growing body of empirical literature suggests that the
brains of gay males are less masculinized than those of heterosexual males, reflected in visual-spatial task performance -- a measure of cerebral masculinazation and one in which heterosexual males usually surpass females.
Several studies report that the cognitive performance of gay males is more typical of heterosexual females than heterosexual males.
Furthermore, the brain waves of gay males while performing verbal and spatial tasks are more similar to heterosexual females than males or significantly different from both."
Relationships among childhood sex-atypical behavior, spatial ability, handedness, and sexual orientation in men. Cohen KM. Arch Sex Behav. (2002)
Relationships among childhood sex-atypical be... [Arch Sex Behav. 2002] - PubMed - NCBI