在典型发育的婴儿和后来被诊断为自闭症谱系障碍的婴儿中发言间隔的时间
Zahra Poursoroush1, Gordon Ramsay2,3, Ching-Chi Yang4
1School of Communication Sciences and Disorders, University of Memphis, Memphis, TN 38152, USA.
Brain sciences
|August 28, 2025
概括
婴儿发声时间或原声间隔时间在典型发育的婴儿和患有自闭症谱系障碍 (ASD) 的婴儿之间有所不同. 这些差异都受到婴儿语言,年龄和性别的影响.
科学领域:
- 发展心理学
- 语音病理学
- 神经发育障碍
背景情况:
- 婴儿早期的发声,尤其是语音,对于预测未来的沟通和语言能力至关重要.
- 了解这些发声的时间组织, 提供了对发育轨迹的洞察.
- 原声频繁地自发地产生,独立于直接的相互作用.
研究的目的:
- 调查婴儿原声之间的时间间隔 (间隙持续时间).
- 将典型发育 (TD) 婴儿与后来被诊断为自闭症谱系障碍 (ASD) 的婴儿的间隔持续时间进行比较.
- 探索与年龄和性别相关的原声间隙持续时间的变化.
主要方法:
- 分析了第一年147名婴儿 (103名TD,44名ASD) 的全天家庭记录中的1500个五分钟段.
- 使用超过9万个婴儿原声器的人类编码, 通过时间域和光谱显示器获得准确的时间数据.
- 使用通用线性建模 (GLM) 来分析差距持续时间分布和影响因素.
主要成果:
- 在所有组中观察到301-400毫秒的模式间隙 (婴儿音节长度).
- 在ASD和TD婴儿之间出现了间隔持续时间分布的显著差异,特别是在更高的婴儿导向语音 (IDS) 中.
- 较长的间隔持续时间与较高的IDS,女性性别,年龄和TD诊断有关,两组的年龄和性别都有显著差异.
结论:
- 原声器计时模式显示TD和自闭症婴儿之间的发育差异.
- 婴儿语言,年龄和性别是调节发声时间的重要因素.
- 这些发现有助于了解神经发育轨迹的早期标志物.
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