在说普通话的孩子们的语音生产发展:语言停止辅音的一个案例
1Department of Psychology, University of Lethbridge, Lethbridge, AB T1K 3M4, Canada.
Behavioral sciences (Basel, Switzerland)
|April 26, 2025
概括
儿童在2岁时就会发育出语言停止辅音,如/t/和/k/,但他们的言语表现不如成年人那么明显的声音. 在语言学习过程中,说普通话的儿童在语音发声时间 (VOT) 中表现出"超越".
科学领域:
- 语音学和语音学 语音学和语音学
- 发展语言学 发展语言学
- 语音获取 语言获取
背景情况:
- 语言停止辅音的获取对于早期语言发展至关重要.
- 停止语言手势的时间协调是一个漫长的发育过程.
- 语音发声时间 (VOT) 是研究停止辅音产生的一个关键声学参数.
研究的目的:
- 研究普通话儿童语言停止辅音的发育轨迹.
- 分析2-5岁儿童的声学参数语音发声时间 (VOT).
- 为了比较儿童的VOT模式与成年人的语言模式.
主要方法:
- 一个重复单词的任务,涉及100名2-5岁的普通话儿童.
- 记录和声学分析儿童的产生的词开始 /t/, /d/, /k/, 和 /g/.
- 使用语音发声时间 (VOT) 作为主要的声学测量.
主要成果:
- 汉语说话的孩子在2岁时就在 /t/-/d/ 和 /k/-/g/ 之间形成对比.
- 与成年人相比,儿童的言语表现出更大的类别内部分散,重叠和语音差异性降低.
- 儿童表现出具有较长VOT值的"超越"阶段,特别是无声吸气停止/t/和/k/.
- 到5岁的儿童中没有观察到任何显著的性别特异性VOT模式.
结论:
- 儿童的声学和语音发育涉及语言手势的长期时间协调.
- 在VOT中的"超越"现象反映了运动控制和语音组织的持续发展.
- 研究结果提供了关于语言学习的复杂过程和语音生产机制的成熟的见解.
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