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Mean raw (unstandardized) genital response to the more and less arousing sex after subtracting response to neutral stimuli (±95% CI) for men of different Kinsey scores. Units are in millimeters and denote increases in the circumference of the penis. Values for arousal to the less arousing sex should show an inverted U-shaped distribution if men with Kinsey scores in the bisexual range show bisexual arousal patterns, and a flat distribution if they do not.
