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Meta-Analysis
. 2023 Feb;52(2):497-596.
doi: 10.1007/s10508-019-01547-3. Epub 2020 Feb 3.

Neuroelectric Correlates of Human Sexuality: A Review and Meta-Analysis

Anastasios Ziogas  1 , Elmar Habermeyer  2 , Pekka Santtila  3 , Timm B Poeppl  4 , Andreas Mokros  2   5
Affiliations
Meta-Analysis

Neuroelectric Correlates of Human Sexuality: A Review and Meta-Analysis

Anastasios Ziogas et al. Arch Sex Behav. 2023 Feb.

Abstract

Many reviews on sexual arousal in humans focus on different brain imaging methods and behavioral observations. Although neurotransmission in the brain is mainly performed through electrochemical signals, there are no systematic reviews of the electrophysiological correlates of sexual arousal. We performed a systematic search on this subject and reviewed 255 studies including various electrophysiological methods. Our results show how neuroelectric signals have been used to investigate genital somatotopy as well as basic genital physiology during sexual arousal and how cortical electric signals have been recorded during orgasm. Moreover, experiments on the interactions of cognition and sexual arousal in healthy subjects and in individuals with abnormal sexual preferences were analyzed as well as case studies on sexual disturbances associated with diseases of the nervous system. In addition, 25 studies focusing on brain potentials during the interaction of cognition and sexual arousal were eligible for meta-analysis. The results showed significant effect sizes for specific brain potentials during sexual stimulation (P3: Cohen's d = 1.82, N = 300, LPP: Cohen's d = 2.30, N = 510) with high heterogeneity between the combined studies. Taken together, our review shows how neuroelectric methods can consistently differentiate sexual arousal from other emotional states.

Keywords: Electrophysiology; Neuroelectricity; Sexual arousal; Sexual preference; Sexuality.

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