Mechanisms of multimodality: androgenic hormones and adaptive flexibility in multimodal displays

Mechanisms of multimodality: androgenic hormones and adaptive flexibility in multimodal displays
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多模态机制:多模态显示中的雄激素和适应性灵活性

DOI:
10.1016/j.anbehav.2021.08.016
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发表时间:
2022
期刊:
影响因子:
2.5
通讯作者:
Mangiamele, Lisa A.
Mangiamele, Lisa A.
中科院分区:
生物学2区
文献类型:
--
作者:
Eigerman, Amelia R.;Mangiamele, Lisa A.

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多模态性展示在波动的环境中进化。我们为探索多模态展示的内分泌调节提供了一个框架。雄激素可能在多模态展示结构的适应性转变中发挥作用。多模态展示是行为生物学家长期以来的魅力,因为许多信号员可以调整展示结构或切换信号模态,通常是为了利用特定信令环境的优点或避免其缺点。然而,这种适应性的灵活性是如何发生的仍然知之甚少。在这里,我们认为,研究多模态信号产生的内分泌调节可以缩小这一知识差距。我们首先强调一个概念,众所周知的行为内分泌学家,性类固醇激素,特别是雄激素,可以介导的多个信号特征在生物体水平的整合。然后,我们假设,内分泌反应也发挥了作用,在保持灵活性的多模态显示器随着时间和空间,并可能是快速响应波动的环境中的关键。为了支持这些想法,我们使用我们自己在“脚旗”青蛙,Staurois parvus中的工作作为主要例子。我们提供了一个概述,以前的工作在这个物种中的多模态信号,以及从网络分析的初始数据,指出雄激素介导的适应性转变的多模态显示架构。最后,我们建议未来的工作,以进一步阐明信号环境,雄激素和行为的灵活性之间的联系,在多模式通信。
HighlightsMultimodal sexual displays evolve in fluctuating environments.We provide a framework for exploring endocrine regulation of multimodal displays.Androgens may play a role in adaptive shifts in multimodal display architecture.Multimodal displays are a long-standing fascination of behavioural biologists because many signallers can adjust display architecture or switch signalling modality, often to exploit the advantages or avoid the disadvantages of a particular signalling environment. Yet, how such adaptive flexibility occurs remains poorly understood. Here, we argue that studying the endocrine modulation of multimodal signal production can close this knowledge gap. We first highlight a concept well known to behavioural endocrinologists that sex steroid hormones, and in particular androgens, can mediate the integration of multiple signalling traits at the organismal level. We then hypothesize that endocrine responses also play a role in maintaining flexibility in multimodal displays over time and space and may be key in responding quickly to fluctuating environments. To support these ideas, we use as our major example our own work in ‘foot-flagging’frogs, Staurois parvus. We provide an overview of prior work on multimodal signalling in this species, as well as initial data from network analyses that point to androgen-mediated adaptive shifts in multimodal display architecture. We conclude by suggesting future work to further elucidate the connections between the signalling environment, androgenic hormones and behavioural flexibility in multimodal communication.
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