Sexual arousal in women: The development of a measurement device for vaginal blood volume
Undergraauate women were shown erotic and nonerotic films. A vaginal photoplethysmograph was developed and used to measure pressure pulse and vaginal blood volume during film presentations. All subjects yielded a visible increase in pressure pulse amplitude during the presentation of the erotic films. Statistical analyses of the pressure pulse data strongly confirmed (p <0.001) the visual impressions. In addition, total blood volume in the vaginal wall also increased (p <0.005) during the presentation of the erotic film. Subjective ratings of sexual arousal did not correlate with physiological measures. The results indicate that a simple and reliable device for measuring vaginal pressure pulse and blood volume is available. Measures obtained from the device appear to be useful for detecting sexual arousal in women.
KeywordsBlood Volume Pressure Pulse Subjective Rating Pulse Amplitude Sexual Arousal
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