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Ryan Jaslow /

CBS News/ August 23, 2011, 12:28 PM

Study says bisexuality real, but bisexuals say "duh"

bisexuality, bi Wikimedia Commons

(CBS) Is there really such a thing as bisexuality?

After decades of debate, the researchers behind a new study say yes. The study found evidence that some men are sexually aroused by both men and women.

"Someone who is bisexual might say, 'Well, duh!'" study author Dr. Allen Rosenthal, a psychology doctoral student at Northwestern University, told the New York Times. "But this will be validating to a lot of bisexual men who had heard about the earlier work and felt that scientists weren't getting them."

Rosenthal is referring to previous research, namely a 2005 Northwestern study, that showed bisexual men were only physically aroused by men.

For the new study - in the August issue of Biological Psychology - researchers looked at 100 men, 31 who identified as homosexual, 34 as heterosexual, and 35 who said they were bisexual. Only bisexual men who had at least two partners from each sex, and a romantic relationship at least three months long with a member of each sex were included in the study. The scientists showed the men a series of three-minute dirty movies while their genitals were wired with arousal-detecting electrodes to determine that bisexual men were physically aroused by both sexes.

Some advocates were not necessarily pleased by the validation.

"It's great that they've come out with affirmation that bisexuality exists," Jim Larsen, chairman of the advocacy group, the Bisexual Organizing Project, told the Times. "Having said that, they're proving what we in the community already know - it's insulting."

© 2011 CBS Interactive Inc. All Rights Reserved.
9 Comments Add a Comment
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Estraven2 says:
This research was done to conter some research that was done in 2005, oddly enough by this same group, and reported on by the New York Times under the headline "Gay, Straight, or Lying? This research used very flawed methodology, but nonetheless claimed to proove that bisexual men do not exist.

I defend the bi community from biphobic attacks all over the Internet. Since "Gay, Straight, or Lying" came out it has been thrown at us as proof that bi men don't exist, and all one could do was to go through a lengthy explanation of why it was poor science (which no one ever listened to).

I have been aware of this new research for a while, and it has been wonderful to be able to counter "Gay, Striaght, or Lying?" with the fact that Bailey himself, in a better-done study, has now proved that bi men DO exist. This was the single most important thing that could have happened for bi men, to undo the single most damaging thing that ever happened to them.
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rf35 says:
No *****. Next I suppose someone will do a study to conclude that orgasms feel good.
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IMeanWhat1 says:
Bisexual males exist. Really? No kidding. I could have told you that. In a study conducted by I Mean...What?!?, we also found that people get *****, especially when they are drunk and throw care to the wind. http://******/oiOauU
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IMeanWhat1 says:
Bisexual males exist. Really? No kidding. I could have told you that from the slew of straight guys I have slept with over the years. Especially when I was younger and hotter. http://******/qt0ay1
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rwgun says:
Americans are so determined to categorize and label everything, even when this narrow focus hides a bigger truth. This subject is even more rife with problems because it deals with "sexuality"... gasp! When the words "homosexual", "heterosexual" and "bisexual" come up, everyone focuses on the "sexual" part of the word. Yes, homosexuals can be physically aroused and enjoy having sexual relations with the same sex; heterosexuals can be physically aroused and enjoy have sexual relations with the opposite sex; and bisexuals can be physically aroused and enjoy sex with either sex. This focus does a disservice though. A relationship is so much more than just the sex that occurs. Being homosexual, heterosexual or bisexual also determines whether a person can attain that emotional connection that many people believe is the ultimate connection in a relationship. This is what is still there even when one's sexual desire may be reduced.
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superdem1 says:
Pedophiles and beastiality - really ? Greed ? Those are perversions, my friend, that is NOT what is being discussed here. Why is it that someone always tries to equate same sex attractions to unnatural perversion or sin ? People are beautiful, some of them. They can make love, and it can be great. You don't have to hit some guy in the face just because he thinks you are great. You can always say no thanks. Or, you can say - what the heck ? It's called being civilized.
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bingy23 says:
This study proves that a person can be attracted to both someone of the same sex and the opposite sex. I'm having a hard time understanding why this study was necessary? Who is doubting that? I mean no disrepect, but have similiar studies been done with pedofiles and those involved in beastiality? I'm not sure who this article is pandering to... Perhaps it could be used to open up marriage to more than just two people...
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amerilatino says:
LOL, bisexuality is proof positive that greed knows no bounds...
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JustynCR replies:
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Greed? You can't help who you are attracted to. And I'd say LUCKY! ;-)