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The Sciences

NCBI ROFL: Sex differences in visual attention to sexually explicit videos: a preliminary study.

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"INTRODUCTION: Although men appear to be more interested in sexual stimuli than women, this difference is not completely understood. Eye-tracking technology has been used to investigate visual attention to still sexual images; however, it has not been applied to moving sexual images. AIM: To investigate whether sex difference exists in visual attention to sexual videos. METHODS: Eleven male and 11 female healthy volunteers were studied by our new methodology. MAIN OUTCOME MEASURES: The subjects viewed two sexual videos (one depicting sexual intercourse and one not) in which several regions were designated for eye-gaze analysis in each frame. Visual attention was measured across each designated region according to gaze duration. Sex differences, the region attracting the most attention, and visually favored sex were evaluated. RESULTS: In the nonintercourse clip, gaze time for the face and body of the actress was significantly shorter among women than among men. Gaze time for the face and body of the actor and nonhuman regions was significantly longer for women than men. The region attracting the most attention was the face of the actress for both men and women. Men viewed the opposite sex for a significantly longer period than did women, and women viewed their own sex for a significantly longer period than did men. However, gaze times for the clip showing intercourse were not significantly different between sexes. CONCLUSIONS: A sex difference existed in visual attention to a sexual video without heterosexual intercourse; men viewed the opposite sex for longer periods than did women, and women viewed the same sex for longer periods than did men. There was no statistically significant sex difference in viewing patterns in a sexual video showing heterosexual intercourse, and we speculate that men and women may have similar visual attention patterns if the sexual stimuli are sufficiently explicit."

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Photo: flickr/dutchlad Related content: Discoblog: NCBI ROFL: What kind of erotic film clips should we use in female sex research? An exploratory study. Discoblog: NCBI ROFL: Salvia divinorum: the pot of the future (at least according to YouTube). Discoblog: NCBI ROFL: Sex differences in Nintendo Wii performance as expected from hunter-gatherer selection WTF is NCBI ROFL? Read our FAQ!

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