Statistical and Prosodic Cues for Song Segmentation Learning by Bengalese Finches (Lonchura striata var. domestica)
Statistical and Prosodic Cues for Song Segmentation Learning by Bengalese Finches (Lonchura striata var. domestica)
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DOI：
10.1111/j.1439-0310.2010.01772.x
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发表时间：
2010-06-01
期刊：
影响因子：
1.7
通讯作者：
Okanoya, Kazuo
中科院分区：
文献类型：
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作者：
Takahasi, Miki;Yamada, Hiroko;Okanoya, Kazuo
幼鸟从成年鸟那里学歌。鸟类并不是简单地逐字逐句地学习歌曲，而是有时从多个导师那里学习歌曲的一部分，并将这些歌曲重新组合成一个歌曲序列。他们如何分割一个特定的部分，并选择它作为一个组块，以及这些组块如何重新组合，这些都是有趣的问题，因为这种分割和组块也被认为是人类语言习得的基本机制。孟加拉雀的歌声具有复杂的句法，音符到音符的转换概率可变，因此可以适用于鸟鸣中的分段和组块研究。32只雄性孟加拉雀雏鸟在一个大型鸟舍中饲养，其中11只成年导师和10只成年雌性自由繁殖。在这种环境下，大多数雄性小鸡从几个导师那里学习歌曲。歌曲注意到，青少年复制块有较高的过渡概率和较短的沉默间隔比块的边界，这表明孟加拉雀段歌曲使用统计和韵律线索。因此，孟加拉雀可以被证明是一个很好的模型，在其中研究的神经和行为机制的声音分割。
Juvenile songbirds learn their songs from adults. Birds do not simply learn songs verbatim but they sometimes learn parts of songs from multiple tutors and recombine these into one song sequence. How they segment a particular part and select that as a chunk and how these chunks are recombined are interesting questions to ask, because such segmentation and chunking is also considered to be a basic mechanism in human language acquisition. The song of the Bengalese finch has a complex syntax with variable note-to-note transition probabilities and could thus be suitable for the study of segmentation and chunking in birdsong. Thirty-two male Bengalese finch chicks were reared in a large aviary where 11 adult tutors and 10 adult females were breeding freely. In this environment most male chicks learned songs from several tutors. The song note-chunks that juveniles copied had higher transition probabilities and shorter silent intervals than did the boundaries of the chunks, suggesting that Bengalese finches segment songs using both statistical and prosodic cues. Thus, the Bengalese finch could prove to be an excellent model in which to study neural and behavioral mechanism for sound segmentation.