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Gender difference in brain activation to audio-visual sexual stimulation; Do women and men experience the same level of arousal in response to the same video clip?

Title
Gender difference in brain activation to audio-visual sexual stimulation; Do women and men experience the same level of arousal in response to the same video clip?
Authors
Chung W.S.Lim S.M.Yoo J.H.Yoon H.
Ewha Authors
정우식유정현임수미윤하나
SCOPUS Author ID
정우식scopus; 유정현scopus; 임수미scopus; 윤하나scopus
Issue Date
2013
Journal Title
International Journal of Impotence Research
ISSN
0955-9930JCR Link
Citation
vol. 25, no. 4, pp. 138 - 142
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Factors related to sexual arousal are different in men and women. The conditions for women to become aroused are more complex. However, the conventional audio-visual stimulation (AVS) materials used to evaluate sexual arousal are universal. In the present study, we investigated sexual differences in the response to different types of AVS by studying activated areas of the brain using functional magnetic resonance imaging (fMRI). fMRI was performed during two types of AVS in 20 healthy heterosexual volunteers (aged 20-28 years, 10 men and 10 women). The two AVS types were: (1) mood type, erotic video clips with a concrete story and (2) physical type, directly exposing sexual intercourse and genitalia. fMRI images were analyzed and compared for each stimulation with a Mann-Whitney U test, with statistical significance set at P<0.05. Men preferred the physical type of AVS to the mood type (mean arousal score 2.14 vs 1.86 in females) and women preferred the mood type (mean arousal score 2.14 vs 1.86 in males) (P<0.05). Degrees of activation in brain areas differed between genders and types of AVS for each gender. This should be considered when applying the AVS method to evaluate and diagnose female sexual dysfunction. © 2013 Macmillan Publishers Limited.
DOI
10.1038/ijir.2012.47
Appears in Collections:
의과대학 > 의학과 > Journal papers
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