婴儿的声音与身体运动一致
Jeremy I Borjon1,2,3, Drew H Abney4, Chen Yu5
1Department of Psychology, University of Houston, Houston, USA.
Developmental science
|March 4, 2024
概括
婴儿早期的发言包括手和头部的动作. 随着年龄的增长,这些运动与发音的协调得到了改善,增强了语音清晰度和语言学习的运动发展.
科学领域:
- 发育神经科学的发展神经科学.
- 发动机控制器 发动机控制器
- 语音获取 语音获取 语音获取
背景情况:
- 发言是一种复杂的运动任务,需要复杂的肌肉协调.
- 婴儿的言语发育,或词语的产生,明显落后于接收性语言技能.
- 关于非语音运动技能与早期语言质量之间的联系的研究有限.
研究的目的:
- 研究婴儿非语音运动技能与早期语音产生之间的关系.
- 探索婴儿发声过程中外来肌肉群 (手,头) 的协同激活.
- 为了确定这些协同激活的时间精度如何随着年龄和语言发育而变化.
主要方法:
- 对9至24个月的婴儿进行观察性研究.
- 分析自发发音和相关的肢体和头部运动.
- 测量语音和非语音肌肉群共同激活的时间精度.
主要成果:
- 9-24个月的婴儿在发声时表现出手和头部运动的协同协同激活.
- 声和外来肌肉群联合激活的时间精度随着婴儿年龄的增长而增加.
- 时间精度的提高与更容易识别的语音产品相关.
结论:
- 早期的语音产生与语音和非语音运动系统的协调有关.
- 运动发育在获得可识别的语音方面发挥着至关重要的作用.
- 这些发现为了解语言发展的运动支柱提供了新的途径.
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