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Updated: Dec 14, 2025
04:38
Assessment of Sexual Behavior of Male Mice
Published on: March 5, 2020
21.5K
Robust evidence for bisexual orientation among men.
Jeremy Jabbour1, Luke Holmes2, David Sylva3
1Department of Psychology, Northwestern University, Evanston, IL 60208.
Summary
Scientific evidence confirms that some men possess a bisexual orientation, experiencing arousal and attraction to both sexes. This research supports the idea that male sexual orientation exists on a spectrum, including bisexuality.
Area of Science:
- Psychology
- Human Sexuality
- Sexual Orientation Studies
Background:
- The existence of bisexual orientation in men has been debated, with some skepticism regarding self-identification.
- Previous research on male bisexuality has been limited by small sample sizes and inconsistent findings.
Purpose of the Study:
- To investigate if men identifying as bisexual exhibit corresponding physiological arousal patterns to both male and female stimuli.
- To provide robust evidence regarding the validity of bisexual orientation in men.
Main Methods:
- A meta-analysis was conducted, combining data from eight previous studies.
- The study included a large sample of cisgender males (474 to 588 participants).
- Physiological (genital) and subjective arousal responses to erotic stimuli were measured.
Main Results:
- Men who self-identified as bisexual demonstrated significantly more bisexual patterns of genital and subjective arousal compared to exclusively heterosexual or homosexual men.
- The findings were highly robust, indicating a clear pattern of bisexual arousal.
Conclusions:
- Male sexual orientation exists on a continuum that includes heterosexuality, bisexuality, and homosexuality.
- Physiological arousal patterns provide strong support for the reality of bisexual orientation in men.
- This research validates self-reported bisexuality through objective measures.
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