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[Electroencephalographic changes in transsexualism (author's transl)]

L Nussselt, G Kockott

    EEG-EMG Zeitschrift Fur Elektroenzephalographie, Elektromyographie Und Verwandte Gebiete
    |March 1, 1976
    PubMed
    Summary

    This study explored the link between transsexualism, diminished sexual drive, and temporal lobe dysfunction. Findings suggest temporal lobe dysfunction may be a biological factor in gender identity development.

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    [Standards for treatment and expert opinion on transsexuals. The German Society for Sexual Research, The Academy of Sexual medicine and the Society for Sexual Science].

    Fortschritte der Neurologie-Psychiatrie·1998

    Area of Science:

    • Neuroscience
    • Endocrinology
    • Psychiatry

    Context:

    • Transsexualism is a complex phenomenon with debated etiological factors.
    • Previous research has explored hormonal and psychological aspects.
    • The role of neurological factors, specifically temporal lobe function, remains less understood.

    Purpose:

    • To investigate the hypothesis linking transsexualism to diminished sexual drive and temporal lobe dysfunction.
    • To examine electroencephalographic (EEG) findings in individuals identifying as transsexual.
    • To explore potential biological underpinnings of gender identity.

    Summary:

    • The study examined 28 transsexual individuals, with over 30% showing abnormal EEG findings, predominantly in the temporal region.
    • While no direct correlation was found between depressed sexual drive and EEG abnormalities, temporal lobe dysfunction is proposed as a potential biological factor in the etiology of transsexualism.
    • Some participants with abnormal EEGs reported past head injuries, though these often occurred after the onset of transsexual behavior.

    Impact:

    • This research contributes to understanding the potential neurological basis of gender identity.
    • Highlights the importance of considering temporal lobe function in the neurobiology of transsexualism.
    • Suggests further investigation into the interplay between neurological, hormonal, and psychological factors in gender identity development.

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