Cupid's quiver: Integrating sensory cues in rodent mating systems.
Cupid's quiver: Integrating sensory cues in rodent mating systems.
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DOI：
10.3389/fncir.2022.944895
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发表时间：
2022
影响因子：
3.5
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中科院分区：
文献类型：
--
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在许多动物物种中，雄性和雌性利用不同的交配策略，表现出典型的性别行为，并使用不同的系统来识别与行为学相关的线索。因此，择偶需要基于不同的感官信号在不同的社会互动中相互识别。求偶和交配行为的性别差异与感觉系统和下游神经基质的差异相对应，这些神经基质负责识别和响应求偶信号。在许多啮齿类动物中，雄性往往严重依赖挥发性嗅觉和信息素线索，而雌性似乎更多地受到这些化学感应信号与超声波发声形式的声学线索的组合的引导。化学和声音信号结合起来控制行为的机制在交配过程中尚未得到充分研究，但已知在控制母性行为中很重要。社会上一夫一妻制的物种构成了行为独特的啮齿类动物群体。在这些物种中，雄性和雌性在神经系统之外的解剖学差异不如具有非一夫一妻制交配系统的物种那么突出，并且两性都会进行更对称的社会行为并形成依恋。然而，尽管一夫一妻制的雄性和雌性在行为上表现出明显的相似性，但人们越来越认为这些物种中支持社交、交配和依恋行为的回路在两性之间存在差异。对于跨物种的配偶识别最重要的感觉方式的性别差异特别令人感兴趣，并提出了大量有待解答的问题。在这里，我们讨论如何整合不同的感觉线索来驱动啮齿类动物的社交和依恋行为，以及特定感觉系统在引发雌性或雄性行为表现方面的不同作用。
In many animal species, males and females exploit different mating strategies, display sex-typical behaviors, and use distinct systems to recognize ethologically relevant cues. Mate selection thus requires mutual recognition across diverse social interactions based on distinct sensory signals. These sex differences in courtship and mating behaviors correspond to differences in sensory systems and downstream neural substrates engaged to recognize and respond to courtship signals. In many rodents, males tend to rely heavily on volatile olfactory and pheromone cues, while females appear to be guided more by a combination of these chemosensory signals with acoustic cues in the form of ultrasonic vocalizations. The mechanisms by which chemical and acoustic cues are integrated to control behavior are understudied in mating but are known to be important in the control of maternal behaviors. Socially monogamous species constitute a behaviorally distinct group of rodents. In these species, anatomic differences between males and females outside the nervous system are less prominent than in species with non-monogamous mating systems, and both sexes engage in more symmetric social behaviors and form attachments. Nevertheless, despite the apparent similarities in behaviors displayed by monogamous males and females, the circuitry supporting social, mating, and attachment behaviors in these species is increasingly thought to differ between the sexes. Sex differences in sensory modalities most important for mate recognition in across species are of particular interest and present a wealth of questions yet to be answered. Here, we discuss how distinct sensory cues may be integrated to drive social and attachment behaviors in rodents, and the differing roles of specific sensory systems in eliciting displays of behavior by females or males.
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