Women Are Aroused Equally By Heterosexual and Bisexual Porn

I recently found an amazing article about how women got aroused equally by heterosexual and bisexual porn, once more proving that ALL WOMEN ARE BISEXUAL!

Mind You…

Heterosexual and bisexual porn movies like the ones they have on Porn7 are all cool but lesbian porn was also equally arousing than heterosexual and bisexual porn for all women! Check this out…

I am sure you will enjoy this article:

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. They watched websites such as Nu Bay to determine their bias. 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 on sites such as Babestation 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 from sites like sexm xxx 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.”

Watch this video and get aroused:

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 popsi.thesexfiles@gmail.com.

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