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Keywords:

  • Female Central Nervous System Control;
  • Female Psychophysiological Studies of Sexual Function;
  • Female Vascular Physiological Studies of Genital Arousal

ABSTRACT

Aim.  The labial photoplethysmograph (LP), a new measure for assessing genital responses in women, was compared to the vaginal photoplethysmograph (VP).

Methods.  Fifteen women wore both devices simultaneously while viewing neutral, sexual, sexually-threatening, and threatening film clips.

Results.  The LP and VP exhibited comparable specificity to sexual stimuli. Additionally, the LP demonstrated greater resistance to movement artifacts and a slightly higher correspondence with subjective measures of sexual arousal.

Conclusion.  The LP, while somewhat more difficult to place and less comfortable than the VP, is a promising new measure of genital response in women that warrants further development.