Hormonal Correlates of Exploratory and Play-Soliciting Behavior in Domestic Dogs.
Hormonal Correlates of Exploratory and Play-Soliciting Behavior in Domestic Dogs.
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DOI：
10.3389/fpsyg.2018.01559
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发表时间：
2018
影响因子：
3.8
通讯作者：
Allen C
中科院分区：
文献类型：
--
作者：
Rossi A;Parada FJ;Stewart R;Barwell C;Demas G;Allen C
探索和玩耍被认为是哺乳动物发育过程中的关键行为。尽管糖皮质激素与探索行为、压力和焦虑之间的关系在文献中有详细描述，但人们对其在非啮齿类动物游戏行为中的作用知之甚少。同样，“社交激素”催产素在探索、玩耍、压力和焦虑中的功能作用仍然未知。目前的工作通过研究家犬的皮质醇（CORT）和催产素（OT）的血浆激素谱来解决这一文献空白，这些家犬暴露在一个新的竞技场中，其中有两个不熟悉的训练员，他们不与狗互动。我们提供的证据表明，皮质醇和催产素的激素测量与自由行为的家犬的适应行为（游戏和探索）之间存在功能关系。我们在分析和解释中考虑了几个可能的因素，从测量的性质和质量到人口因素再到统计稳健性。我们的结果表明，CORT 水平的降低与游戏请求行为频率和探索行为持续时间的增加相关。此外，综上所述，我们的数据和模拟表明，OT 与自由行为的家犬表现出的招揽行为之间存在关系，必须进一步研究。未来的研究应考虑将行为与（神经）生理测量联系起来的自然结构化和半结构化实验方法，同时考虑年龄等人口因素和狗的性别等相关间期因素；以及社会历史因素，例如狗的顽皮性、与年轻人的互动历史等，以便在比较研究中充分考虑人类与动物之间的互动。
Exploration and play are considered to be crucial behaviors during mammalian development. Even though the relationship between glucocorticoids and exploratory behavior, stress, and anxiety is well described in the literature, very little is known about their role in play behavior in non-rodents. Likewise, the functional role of the “social hormone” oxytocin in exploration, play, stress, and anxiety is still unknown. The present work addresses this literature gap by studying plasma hormone profiles for cortisol (CORT) and oxytocin (OT) of domestic dogs exposed to a novel arena containing two unfamiliar trainers who did not interact with the dogs. We provide evidence suggesting a functional relationship between hormonal measures of cortisol and oxytocin and adaptive behavior (play-soliciting and exploration) in freely behaving domestic dogs. We have taken into account several possible factors in our analyses and interpretations, from the nature and quality of the measurements to demographic factors to statistical robustness. Our results indicate that reduced CORT levels are associated with increments of both play-soliciting behavior frequency and exploratory behavior duration. Furthermore, taken together, our data and our simulations suggest a relationship between OT and the enactment of play-soliciting behaviors by freely behaving domestic dogs that must be further investigated. Future studies should consider naturalistic structured and semi-structured experimental approaches linking behavior with (neuro) physiological measures, taking into account demographic factors such as age and relevant interphase factors such as the sex of the dog; and socio-historic factors such as the playfulness of the dog, history of interaction with young humans, among others, to take full account of interaction between humans and animals in comparative studies.
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影响因子：
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