The units of a song

TODD W. TROVER

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The units of a song

机译：一首歌的单位

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What is the basic unit of speech? The word? The syllable? The phoneme? This question has been vexing speech and language researchers for decades, and similar questions have challenged those who study songbirds. Whereas behavioural evidence supports the grouping of songs into 100-250-millisecond vocalizations called syllables, neurophysiological data suggest2 that the premotor areas at high levels in the hierarchy of motor neurons in the brain act more like a clock, providing a continuous stream of activity on a 10-millisecond timescale. On page 59 of this issue, Amador et al. reconcile these data by providing evidence that the song code generated by motor neurons of zebra finches (Taeniopygia guttata) is indeed broken into discrete gestures', which are significantly shorter than song syllables.

机译：基本的语言单元是什么？这个单词？音节？音素？数十年来，这个问题一直困扰着语音和语言研究人员，类似的问题也挑战了研究鸣禽的人们。行为证据支持将歌曲分为100-250毫秒的音节（称为音节），而神经生理学数据表明2，大脑中运动神经元层次中处于较高水平的运动前区域的作用更像是时钟，在大脑中提供连续的活动流10毫秒的时标。在此问题的第59页上，Amador等人。通过提供证据证明斑马雀（Taeniopygia guttata）的运动神经元生成的歌曲代码确实被分解为离散手势，从而使这些数据一致，该手势明显短于歌曲音节。

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《Nature》 |2013年第7439期|56-57|共2页
作者
TODD W. TROVER;
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作者单位

Department of Biology, University of Texas at San Antonio, San Antonio, Texas 78249, USA;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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正文语种 eng
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The units of a song

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