Abstract
Thirty women were shown an erotic videotape for five trials on 2 successive days while vaginal blood volume and pulse pressure were monitored, and they rated their subjective arousal. One group of women received contingent (veridical) auditory feedback about vasocongestive changes while watching the videotape, a second group received noncontingent (false) feedback, and a third group received no feedback. Subjects were instructed to increase their sexual arousal on two experimental trials and then to suppress their arousal on two trials. The results showed that females were able to exercise voluntary control of the physiological measures related to sexual arousal. The hypothesis that biofeedback is useful in facilitating enhancement and/or suppression of vaginal vasocongestion and selfreported sexual arousal was not supported.
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