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Isochronous singing in three crested gibbon species (Nomascus spp.)
Current Zoology ( IF 2.2 ) Pub Date : 2023-06-30 , DOI: 10.1093/cz/zoad029
Chiara De Gregorio 1 , Teresa Raimondi 1 , Valeria Bevilacqua 2 , Chiara Pertosa 1 , Daria Valente 1 , Filippo Carugati 1 , Francesca Bandoli 3 , Livio Favaro 1 , Brice Lefaux 4 , Andrea Ravignani 5, 6, 7 , Marco Gamba 1
Affiliation  

The search for common characteristics between the musical abilities of humans and other animal species is still taking its first steps. One of the most promising aspects from a comparative point of view is the analysis of rhythmic components, which are crucial features of human communicative performance, but also well-identifiable patterns in the vocal displays of other species. Therefore, the study of rhythm is becoming essential to understanding the mechanisms of singing behaviour and the evolution of human communication. Recent findings provided evidence that particular rhythmic structures occur in human music and some singing animal species, such as birds and rock hyraxes, but only two species of non-human primates have been investigated so far (I. indri and H. lar). Therefore, our study aims to consistently broaden the list of species studied regarding the presence of rhythmic categories. We investigated the temporal organisation in the singing of three species of crested gibbons (Nomascus gabriellae, N. leucogenys, N. siki) and found that the most prominent rhythmic category was isochrony. Moreover, we found slight variation in songs’ tempo among species, with N. gabriellae and N. siki singing with a temporal pattern involving a gradually increasing tempo (a musical accelerando), and N. leucogenys with a more regular pattern. Here we show how the prominence of a peak at the isochrony establishes itself as a shared characteristic in the small apes considered so far.

中文翻译:

三种冠长臂猿(Nomascus spp.)的同步鸣叫

对人类和其他动物物种音乐能力之间共同特征的探索仍处于第一步。从比较的角度来看,最有前途的方面之一是对节奏成分的分析,节奏成分是人类交流表现的关键特征,也是其他物种声音表现中易于识别的模式。因此,节奏的研究对于理解歌唱行为的机制和人类交流的进化变得至关重要。最近的研究结果提供了证据,表明人类音乐和一些歌唱动物物种(例如鸟类和岩蹄兔)中存在特定的节奏结构,但迄今为止仅研究了两种非人类灵长类动物(I. indri 和 H. lar)。所以,我们的研究旨在不断扩大有关节奏类别存在的研究物种清单。我们研究了三种冠长臂猿(Nomascus gabriellae、N. leucogenys、N. siki)歌唱的时间组织,发现最突出的节奏类别是等时性。此外,我们发现不同物种之间的歌曲节奏略有差异,加布里埃猪笼草和 siki 猪笼草的歌唱节奏具有逐渐增加的节奏(音乐加速),而 leucogenys 猪笼草则具有更规则的模式。在这里,我们展示了等时峰的突出性如何将其自身确立为迄今为止所考虑的小猿类的共同特征。我们研究了三种冠长臂猿(Nomascus gabriellae、N. leucogenys、N. siki)歌唱的时间组织,发现最突出的节奏类别是等时性。此外,我们发现不同物种之间的歌曲节奏略有差异,加布里埃猪笼草和 siki 猪笼草的歌唱节奏具有逐渐增加的节奏(音乐加速),而 leucogenys 猪笼草则具有更规则的模式。在这里,我们展示了等时峰的突出性如何将其自身确立为迄今为止所考虑的小猿类的共同特征。我们研究了三种冠长臂猿(Nomascus gabriellae、N. leucogenys、N. siki)歌唱的时间组织,发现最突出的节奏类别是等时性。此外,我们发现不同物种之间的歌曲节奏略有差异,加布里埃猪笼草和 siki 猪笼草的歌唱节奏具有逐渐增加的节奏(音乐加速),而 leucogenys 猪笼草则具有更规则的模式。在这里,我们展示了等时峰的突出性如何将其自身确立为迄今为止所考虑的小猿类的共同特征。siki 的歌唱具有时间模式,涉及逐渐增加的节奏(音乐加速),而 N. leucogenys 则具有更规则的模式。在这里,我们展示了等时峰的突出性如何将其自身确立为迄今为止所考虑的小猿类的共同特征。siki 的歌唱具有时间模式,涉及逐渐增加的节奏(音乐加速),而 N. leucogenys 则具有更规则的模式。在这里,我们展示了等时峰的突出性如何将其自身确立为迄今为止所考虑的小猿类的共同特征。
更新日期:2023-06-30
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