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07-13-2013, 08:06 PM #1
Straight Women more inclined to become sexually aroused by other women.......
....than men by other men?
Cornell University researchers used porn and measures of pupil dilation to study arousal in straight-, gay- and bisexual-identifying men and women, reports a study published April 3 in PLoS ONE. The results, which point to surprising differences in arousal based on a person's sex and sexual orientation, corroborate previous research using measures of genital response, opening up a less-invasive method of studying arousal and orientation.
Human development experts Gerulf Rieger and Ritch Savin-Williams measured pupil dilation in 325 people as they watched two 30-second videos -- one of a woman masturbating and one of a man -- as well as a 1-minute clip of a neutral landscape that served as a palate-cleanser and a control between the porn clips. Participants in a pilot study chose the clips based on the attractiveness of the models, and the order they were shown in (man first versus woman first) was selected randomly during the dilation study.
Unsurprisingly, "heterosexual men dilated most to the other sex, homosexual men dilated most to the same sex, and bisexual men dilated more equally than other men to both sexes," the authors wrote. The same wasn't true for straight women, though. On average, heterosexual women dilated more to images of a man than to a landscape, but they also responded more strongly to images of a woman masturbating compared to heterosexual men watching a man. Lesbians and bisexual women in the study more closely followed the male patterns.
The finding that straight women more so than straight men are likely to get turned on by both sexes could be explained by evolutionary theory, Rieger says. In 2000, Roy Baumeister, a psychologist then at Case Western Reserve University, proposed that the female sex drive evolved to be more malleable than the male sex drive. Then, in 2007, Canadian researchers studying the genital response to watching videos of human and animal sex suggested that whereas the biological function of arousal in men is to become erect and penetrate women, in women it has historically been to self-protect (with lubrication) during forced sex, which ostensibly required them to be more automatic and flexible in their arousal to any stimuli. "Forced copulation in several species and in most human societies indicate that it may have occurred throughout human evolution," Rieger and Ritch Savin-Williams write.
Here's how the Canadian authors explained it in 2007: "Reflexive vaginal responding may have had fitness benefits for our female ancestors because vaginal vasocongestion produces lubrication, which reduces the likelihood of injury and subsequent infection during vaginal penetration. Ancestral women who did not reflexively lubricate would have been more likely to experience injuries or infections that could have rendered them reproductively sterile or resulted in their deaths."
Rieger says a less plausible theory that has been suggested is that "because women are less exposed to pornography than men, they might respond strongly to anything erotic they see. It could be a novelty effect. I do not buy it, but it is possible."
The results of the study are in line with previous research that measured arousal based on penis circumference in men and vaginal pulse amplitude, which reflects changes in vaginal engorgement, in women. Genital response studies have found that, "the relationship of genital arousal to either male or female sexual stimuli with self-reported sexual orientation is considerably stronger in men than in women," the authors write. "Most men are exclusively aroused to the sex consistent with their reported sexual orientation; for example, most heterosexual men are almost exclusively aroused to women and most homosexual men are almost exclusively aroused to men. In contrast, women's sexual orientation is poorly reflected in their genital response because they respond with substantial arousal to both sexes."
Pupil dilation has been used before in sex research-in Canada in the 1950s through '70s to weed out gays, "who were at the time considered a national risk"-but those studies were riddled with problems, like failing to factor in bisexuality and measuring dilation by hand rather than with a camera and a computer program (an infrared gaze tracker automatically recorded pupil size and dilation in the new study). The agreement between genital response and pupil dilation results bolsters the reliability of the less-used method.
Switching to measuring pupil dilation in arousal studies has several benefits, Rieger says, starting with using the same method for both sexes. Some people can suppress genital arousal, but because pupil dilation is controlled by the automatic nervous system, study participants can't affect the measurements. Plus, the less-invasive method will be palatable to more study participants, allowing researchers to learn about arousal and orientation in traditional cultures and even children -- using less sexy images, of course.
Jennifer Abbasi is a science and health writer and editor living in Portland, OR. Follow Jen on Twitter (@jenabbasi) and email her at [email protected].
What Our Eyes Say About Our Sexual Preferences | Popular Science
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07-13-2013, 08:44 PM #2
After watching Netflix Original Series: Orange is the new Black. I agree 100%.
~ PLEASE DO NOT ASK FOR SOURCE CHECKS ~
"It's human nature in a 'more is better' society full of a younger generation that expects instant gratification, then complain when they don't get it. The problem will get far worse before it gets better". ~ kelkel
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07-13-2013, 10:10 PM #3
So if we follow that premise is it also possible that straight men are inclined to be sexually aroused by Gay Men uhum I mean er um other men? Well actually this is true for some I know..
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07-13-2013, 10:21 PM #4
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07-14-2013, 07:46 AM #5
Yeah it's not quite the same. Women are soft, pretty, pleasant to the eyes when men who are straight just dont look at men that way, nothing appealing about another guy or attractive but women are just pretty and pleasant to the eyes.
I have been good friends with several STRAIGHT women who have admitted to me they have found certain other women attractive. Most all women I have known have been bi. Only a couple have claimed to be 100% never attracted to another woman. Luckily that was not the case with wife #1 or #2. #1 use to bring women/girls home to play frequently.
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07-14-2013, 10:10 AM #6
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07-14-2013, 10:16 AM #7
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07-14-2013, 10:16 AM #8new member
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I've never met a woman who didn't have Lesbianic tendencies.
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07-14-2013, 10:33 AM #9
this is no suprise... look at what the majority (not all) women find attractive, anemic looking men. Slim, hairless and in a lot of cases now adays, close to, if not lower in weight. I dont think this has much to do with feeling as though these men can protect them (as previous evolutionary theories stated), its just a way of placing themselves with a more feminine figure.
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07-14-2013, 10:35 AM #10
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07-14-2013, 10:37 AM #11
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07-14-2013, 10:40 AM #12
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07-14-2013, 10:42 AM #13
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07-14-2013, 11:32 AM #14
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07-14-2013, 11:36 AM #15
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07-14-2013, 03:04 PM #16
After reading some of these newbs postings as of late I'm inclined to agree with you 100% TR. Why would they want anything to do with some of these Tools? Having to tell them when to bath when to take out the trash when to take them out when to buy them roses, not to pick their noses at the table, the farting issues. Yeah I can see how women could be attracted to other women...
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07-14-2013, 03:51 PM #17
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07-14-2013, 07:33 PM #18
I've always felt it was due to both genders suckling off the breast as newborns, and therefore hardwired to be attracted to it.
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07-15-2013, 01:53 AM #19
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07-15-2013, 04:10 AM #20
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Let me try:
How did I do?Realist: A person who sees things as they truly are. A practical person. The pessimist complains about the wind; The optimist expects it to change; The realist adjusts the sails. — William Arthur Ward
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07-15-2013, 04:55 AM #22Originally Posted by DSM4Life
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07-15-2013, 10:53 AM #23
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07-15-2013, 12:02 PM #24
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07-15-2013, 07:29 PM #25
Ok TR here is a video of how you straight boys get aroused by and with other straight boys and the denial they go through afterwards.. Bahahahahaha Watch this clip if you DARE!
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07-15-2013, 08:19 PM #26
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07-15-2013, 08:20 PM #27
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07-15-2013, 08:21 PM #28
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07-15-2013, 08:21 PM #29
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07-15-2013, 08:22 PM #30
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07-15-2013, 08:23 PM #31
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07-15-2013, 08:24 PM #32
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07-15-2013, 08:25 PM #33
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07-15-2013, 08:25 PM #34
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07-15-2013, 08:26 PM #35
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07-15-2013, 08:27 PM #36
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07-15-2013, 08:28 PM #37
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07-15-2013, 08:29 PM #38
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07-15-2013, 08:29 PM #39
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07-15-2013, 08:30 PM #40
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