Related Experiment Video
Updated: May 7, 2026

Assessment of Sexual Behavior of Male Mice
Published on: March 5, 2020
Male bisexual arousal: a matter of curiosity?
Gerulf Rieger1, Allen M Rosenthal, Brian M Cash
1Department of Psychology, University of Essex, United Kingdom.
Abstract:
Conflicting evidence exists regarding whether bisexual-identified men are sexually aroused to both men and women. We hypothesized that a distinct characteristic, level of curiosity about sexually diverse acts, distinguishes bisexual-identified men with and without bisexual arousal. Study 1 assessed men's (n=277) sexual arousal via pupil dilation to male and female sexual stimuli. Bisexual men were, on average, higher in their sexual curiosity than other men. Despite this general difference, only bisexual-identified men with elevated sexual curiosity showed bisexual arousal. Those lower in curiosity had responses resembling those of homosexual men. Study 2 assessed men's (n=72) sexual arousal via genital responses and replicated findings of Study 1. Study 3 provided information on the validity on our measure of sexual curiosity by relating it to general curiosity and sexual sensation seeking (n=83). Based on their sexual arousal and personality, at least two groups of men identify as bisexual.
Related Concept Videos
Male Sexual Response: Erection & Ejaculation
The blood filling the erectile tissues compresses the veins, which helps to prevent blood from leaving...
Primary Motives: Sleep, Sex, and Pain Avoidance
Sleep is a fundamental physiological drive that fosters a state of restfulness crucial for several bodily functions. It facilitates body restoration, the process by which the body repairs, rejuvenates, and maintains itself during sleep, including memory...
Passionate Love
Factors Influencing Attraction II: Physical Attraction
Psychosexual Stages of Personality: Genital
Psychosexual Stages of Personality: Phallic

