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Androgens and sexual behavior

W M Pardridge, R A Gorski, B M Lippe

    Annals of Internal Medicine
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    PubMed
    Summary
    This summary is machine-generated.

    Human sexual behavior is influenced by both prenatal hormones and postnatal socialization. While animal studies show hormone effects, human research remains inconclusive on the exact roles of prenatal steroid hormones versus socialization.

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    Area of Science:

    • Neuroendocrinology
    • Developmental Psychology
    • Human Sexuality

    Background:

    • Sexual behavior in humans is traditionally attributed to postnatal socialization.
    • Emerging research in animal models suggests prenatal steroid hormones, particularly androgens, significantly influence sexual behavior.
    • Testosterone exposure during critical developmental periods can induce lasting organizational effects on brain development.

    Purpose of the Study:

    • To explore the potential role of prenatal steroid hormones in shaping human sexual behavior.
    • To investigate whether prenatal hormonal influences override or interact with postnatal socialization.
    • To examine clinical data from individuals with specific hormonal conditions to understand prenatal hormone effects.

    Main Methods:

    • Review of existing literature on sexual behavior determinants.
    • Analysis of studies involving human patients with conditions affecting steroid hormone synthesis or action (e.g., testicular feminization, congenital adrenal hyperplasia).
    • Comparison of findings from animal models with human clinical observations.

    Main Results:

    • Animal studies demonstrate permanent organizational effects of prenatal androgens on brain structure and function related to sexual behavior.
    • Human clinical cases (e.g., 5-alpha-reductase deficiency, congenital adrenal hyperplasia) offer insights into potential prenatal hormone impacts.
    • Current human studies do not definitively separate the influences of prenatal hormones from postnatal socialization.

    Conclusions:

    • Prenatal steroid hormones may play a role in the development of human sexual behavior.
    • Distinguishing the precise contributions of prenatal hormonal factors versus postnatal socialization remains a challenge in human studies.
    • Further research is needed to elucidate the complex interplay between hormones and environment in human sexual behavior development.