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Current Literature Review :Is sexual motivational state linked to dopamine release in the medial preoptic area?

机译：当前文献评论：性动机是否与视前内侧多巴胺释放有关？

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This article examines the role of dopamine release in the medial preoptic area (mPOA) of the brain in the Japanese quail, and shows how studying species other than mammals can provide important information about how different aspects of sexual behavior are regulated. This group has been using the quail for many years and their previous work has provided important information on how androgens, their metabolites, and dopamine regulate male sexual behavior. In this article, the investigators focused on sexual motivation. Copulation between quails is different from mammals, as the male lacks a penis and thus, no erections or intromissions can occur. Nevertheless, these birds show rigorous sexual behavior. These birds copulate by the male mounting the female and contacting his cloaca to hers; thus, the authors suggest that copulation in this species does not involve the normal neuro-muscular contractions that occur in mammals. In this study, dopamine release from the mPOA was measured with a microdialysis probe. All animals were habituated to the surroundings and all showed copulatory behavior during a pretest. The
机译：本文研究了日本鹌鹑大脑中内侧视前区（mPOA）中多巴胺释放的作用，并展示了如何研究哺乳动物以外的物种如何提供有关性行为不同方面如何调控的重要信息。该小组已经使用鹌鹑很多年了，他们以前的工作已经提供了有关雄激素，它们的代谢产物和多巴胺如何调节男性性行为的重要信息。在本文中，研究人员重点研究了性动机。鹌鹑之间的交配不同于哺乳动物，因为雄性没有阴茎，因此不会发生勃起或内吸。然而，这些鸟表现出严格的性行为。这些鸟的交配是雄性将雌性安放并使其泄殖腔与雌性接触。因此，作者建议在该物种中交配不涉及哺乳动物中发生的正常神经肌肉收缩。在这项研究中，用微透析探针测量了mPOA中的多巴胺释放。所有动物都习惯了周围的环境，并且在预测试期间都表现出交配行为。的

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