在歌鸟和人类婴儿中逐步获得声乐组合能力
Dina Lipkind1, Gary F Marcus, Douglas K Bemis
1Department of Psychology, Hunter College, City University of New York, New York, NY 10065, USA. dina.lipkind@gmail.com
Nature
|May 31, 2013
概括
声乐学习物种,包括人类,逐步发展连续的声乐技能. 这项研究揭示了一种常见的,渐进的过程,用于在物种之间获得新的声乐过渡,影响歌曲和语音发育.
科学领域:
- 比较心理学比较心理学
- 发育生物学 发展生物学
- 生物声学是一种生物声学.
背景情况:
- 语音学习对于人类的语言和鸟类的歌声至关重要.
- 声音组合能力的发育起源在很大程度上是未知的.
研究的目的:
- 调查声乐组合能力的本体遗传发展.
- 在物种之间识别声序获取的共同模式.
主要方法:
- 在未成年斑马 (Taeniopygia guttata) 中对歌曲序列的实验性操纵.
- 对孟加拉 (Lonchura striata domestica) 的自然歌曲发育的分析.
- 在语言学前的人类婴儿的声音转换的观察性研究.
主要成果:
- 在所有三种物种中都观察到一种共同的,逐步的语音转换模式.
- 斑马通过逐渐获得对向过渡来学习新的音节顺序.
- 孟加拉和人类婴儿也表现出语音语法和喋喋不休序列的逐步发展.
结论:
- 语音组合能力是通过一个保守的,逐步的生成过程来发展的.
- 这种逐渐获得双向语音转换可能解释了人类开发复杂语音序列的挑战.
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