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Neuroendocrine Mechanisms Involved In Sexual And Emotional Behavior.

Discussion in 'Scientific Studies' started by pubmed: testosterone, Feb 2, 2019.

  1. Neuroendocrine Mechanisms Involved In Sexual And Emotional Behavior.

    Endocr Metab Immune Disord Drug Targets. 2019 Jan 31;:

    Authors: Iovino M, Messana T, Iovino E, De Pergola G, Guastamacchia E, Giagulli VA, Triggiani V

    Abstract
    In this review, we analyzed the role played by brain areas, neurohormones and neurotransmitters in the regulation of emotional and sexual behavior. We speculate that a common brain pathway is involved in these two behaviors. Hippocampus seems to control the signals coming from the external environment, while the amygdale and the hypothalamus control the response to social stimuli. Stimulation of amygdala increase sexual performace, while it triggers violent emotional responses. Stimulation of the hypothalamus causes reactions of violent anger and increases sexual activity. Catecholaminergic stimulation of the amygdala and hypothalamus increases emotional and sexual behavior, while serotonin plays an inhibitory role. Cholinergic inhibition suppress copulatory activity, while the animal becomes hyperemotive. Opioids, as β-endorphin and met-enkephalin, reduce copulatory activity and induce impotence. Gonadal steroid hormones, as estrogen in female and testosterone in male, play a major role in the control of sexual behavior. In addition, also non-ovarian hormones, as adrenal steroids, control sexual behavior, because adrenalectomy induces profound decrease in sexual activity in human and primate females, while androstenedione, as replacement therapy, is able to restore sexual receptivity in female. The neuropeptide kisspeptin and its receptors, located in the limbic structures, mediate olfactory control of the gonadotropic axis showing therapeutic action on psychosexual and reproductive disorders.

    PMID: 30706797 [PubMed - as supplied by publisher]

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