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典型发育和自闭症婴儿在第一年发声的声学特征
D Kimbrough Oller1, Edina R Bene2, Hyunjoo Yoo3
1Origin of Language Laboratories, School of Communication Sciences and Disorders, University of Memphis, Memphis, TN, USA; Institute for Intelligent Systems, University of Memphis, Memphis, TN, USA; Konrad Lorenz Institute for Evolution and Cognition Research, Klosterneuburg, Austria.
患有自闭症 (ASD) 或发育障碍 (DD) 的婴儿表现出与典型发育 (TD) 婴儿相似的声音声学. 然而,只有TD婴儿.
科学领域:
- 发展心理学 发展心理学
- 语音和听力科学 语言和听力科学
- 神经科学是一个神经科学.
背景情况:
- 婴儿的发声对于早期的沟通发展至关重要.
- 婴儿声音的声学特性可能因发育障碍而有所不同.
- 婴儿导向语音 (IDS) 可能会影响声乐发育.
研究的目的:
- 为了比较不同婴儿群体的声音声学模式.
- 调查婴儿导向语音 (IDS) 对发音的影响.
主要方法:
- 从1259个录音中对超过162,000个婴儿发言进行了声学分析.
- 典型发育 (TD),自闭症 (ASD) 和其他发育障碍 (DD) 组的发音的比较.
- 在高和低IDS条件下分析发音.
主要成果:
- 尖叫是最长和最响亮的发音;类似母音的声音是最短的.
- 在高IDS期间,TD婴儿表现出显著的声音声学变化.
- 在TD,ASD和DD组之间,在总体声格模式上没有发现显著的声学差异.
结论:
- 婴儿的声音声学模式在TD,ASD和DD群体之间显示出强烈的相似性.
- 只有TD婴儿的声声学被IDS显著调节.
- 早期的沟通差异可能是由基本声学模式以外的因素引起的.
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