唐氏综合症儿童的形模仿:从句子重复和音调轮建模的证据
Delin Deng1, Miriam Lense2, Stephen Camarata2
1Department of Psychology and Human Development, Vanderbilt University, Nashville, TN.
American journal of speech-language pathology
|February 19, 2026
概括
唐氏综合征 (DS) 儿童可以模仿前性语音模式,但他们的音调轮不如通常发育的同龄人那么明显. 进一步的研究应该探索评估和干预的其他形特征.
科学领域:
- 语言学的语言学.
- 语音语言病理学 语言病理学
- 发展心理学 发展心理学
背景情况:
- 语音制作对于传达意义和情感至关重要.
- 患有唐氏综合征 (DS) 的儿童可能会表现出不典型的前性模式.
- 了解这些模式对于有效的沟通干预至关重要.
研究的目的:
- 调查唐氏综合征 (DS) 的儿童表达式的表情模式.
- 评估动态基本频率 (F0) 建模在分析prosody.时的实用性.
- 为了比较患有DS的儿童和典型发育 (TD) 儿童的前性语音生产.
主要方法:
- 使用了一个结构化的模仿任务,包括重复句子.
- 引出了四个prosodic条件:中立,是/否问题,主题强调和对象强调.
- 对基本频率 (F0) 轮进行了声学分析,使用了通用增材混合模型.
主要成果:
- 两个小组都产生了F0变化,以进行体对比.
- 典型发育 (TD) 的儿童显示出更清晰,更明显的F0轮.
- 患有DS的儿童表现出不那么差异化的轮,尽管问题语调显著.
结论:
- 患有DS的儿童可以通过模仿来产生体对比,但对比度会降低.
- 未来的研究应该调查DS的其他prosodic特征 (强度,持续时间).
- 结构化模仿可能会为未来的评估和干预提供信息,以便在DS中对表达式修饰进行干预.
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