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EEG during masturbation and ejaculation.

B Graber, J W Rohrbaugh, D B Newlin

    Archives of Sexual Behavior
    |December 1, 1985
    PubMed
    Summary
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    This study investigated electroencephalogram (EEG) patterns during sexual arousal and orgasm. Researchers found no specific EEG changes linked to these sexual events, suggesting current evidence is inconclusive.

    Area of Science:

    • Neuroscience
    • Psychophysiology
    • Human Sexuality

    Background:

    • Distinctive electroencephalogram (EEG) patterns could reliably identify sexual arousal and orgasm.
    • Such EEG markers could elucidate cerebral structures involved in sexual responses.

    Purpose of the Study:

    • To investigate if specific EEG patterns correlate with sexual arousal and orgasm.
    • To determine the utility of EEG for studying sexual responses in a laboratory setting.

    Main Methods:

    • Collected EEG-polygraph recordings from four healthy males during masturbation and ejaculation under controlled conditions.
    • Performed both qualitative and quantitative analyses on the EEG data.

    Main Results:

    • No significant EEG changes were observed during sexual arousal and orgasm.

    Related Experiment Videos

  • A minor decrease in alpha activity, a nonspecific arousal indicator, was the only notable finding.
  • Literature review revealed inconsistent findings and potential artifacts in previous studies.
  • Conclusions:

    • The existence of EEG patterns specifically indicative of sexual arousal and orgasm remains unproven.
    • Further research is needed to validate any potential EEG correlates of sexual function.