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Updated: May 21, 2025

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Eliciting and Analyzing Male Mouse Ultrasonic Vocalization USV Songs
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声序的多样性和长度在卡塔林子 (Cercocebus atys) 的本体发生过程中保持稳定
Ryan Sigmundson1,2, Cédric Girard-Buttoz3,4,5, Auriane Le Floch1,2,6,7
1The Ape Social Mind Lab, Institut des Sciences Cognitives Marc Jeannerod, CNRS, Bron, Lyon, France.
Communications biology
|March 21, 2025
概括
苏蒂·曼加贝的发音不会随着年龄的增长而改变,这挑战了灵长类动物声序随着时间的推移而发展的想法. 这表明灵长类动物的声学可能会独立进化,由社会复杂性驱动.
科学领域:
- 灵长类的语音通信.
- 动物行为 动物行为
- 生物声学是一种生物声学.
背景情况:
- 人类的语言复杂性随着年龄的增长而增加,但非人类灵长类动物的声乐谱被认为是固定的.
- 最近的研究表明,黑猩猩和黑猩猩的语音序列获取,挑战了这种长期以来的观点.
研究的目的:
- 为了调查在灰的mangabeys年龄段的声序曲目灵活性.
- 为了确定这种灵长类动物的发育过程中,声乐谱的大小和发言长度是否会发生变化.
主要方法:
- 在两个群体中记录了75只野生灰尘贝的1844个发声.
- 利用定制贝叶斯模型来估计单个声序曲目大小,考虑到样本不足.
- 开发了一种用于估计其他物种声乐谱大小的工具.
主要成果:
- 不同年龄组之间没有观察到声乐谱大小的显著变化.
- 不管年龄,发言的长度都保持一致.
- 声序的本体遗传扩张不是一个普遍的灵长类动物特征.
结论:
- 在使用声序进行交流的灵长类动物中,声序的发育并不普遍.
- 声乐复杂性的进化可能在不同的灵长类动物谱系中独立发生,可能受到社会因素的影响.
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