Language and motor abilities of preschool children who stutter: evidence from behavioral and kinematic indices of nonword repetition performance.
Language and motor abilities of preschool children who stutter: evidence from behavioral and kinematic indices of nonword repetition performance.
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DOI：
10.1016/j.jfludis.2012.06.001
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发表时间：
2012-12
影响因子：
2.1
通讯作者：
Weber-Fox, Christine
中科院分区：
文献类型：
--
作者：
Smith, Anne;Goffman, Lisa;Sasisekaran, Jayanthi;Weber-Fox, Christine
关键词：
口吃是一种言语产生的障碍，通常发生在学龄前几年，许多关于它的发生和发展的描述表明，语言和运动过程是关键的潜在因素。然而，关于学龄前口吃儿童言语运动控制过程的研究很少。听到新的非单词并复制它们需要使用多个神经网络，包括那些涉及语音分析和存储以及语音运动编程和执行的神经网络。本研究对31名4-5岁被诊断为口吃的儿童的言语、运动和语言能力进行了研究。我们还使用了敏感和特定的言语和语言能力标准化测试来确定哪些口吃儿童伴随着语言和/或语音障碍。我们的样本中，大约有一半的口吃儿童患有语言和/或语音障碍。正如之前的研究表明的那样，与正常发育的儿童相比，伴有语言或言语声音障碍的口吃儿童在非单词重复任务中产生的错误明显更多。相比之下，被诊断为口吃但语音和语言能力正常的儿童，与正常流利的同龄人相比，在非单词重复任务中的准确率相同。对准确和流畅地产生非单词时的发音臂间运动的分析表明，口吃儿童(没有伴随障碍)在口腔运动协调指数上表现出更高的变异性。这些结果提供了新的证据，即被诊断为口吃的学龄前儿童在言语运动控制过程的成熟方面落后于通常发育的同龄人。读者将能够：(A)讨论为什么口吃儿童在非单词重复任务上的表现被调查；(B)讨论为什么与其他几项研究相比，当前研究中的口吃儿童伴随语言缺陷的发生率更高；(C)描述与没有伴随言语或语言障碍的口吃儿童相比，口吃儿童在非单词重复测试中的表现有何不同；(D)就口吃儿童非单词产生的言语运动控制与对照组儿童进行一般性陈述。
Stuttering is a disorder of speech production that typically arises in the preschool years, and many accounts of its onset and development implicate language and motor processes as critical underlying factors. There have, however, been very few studies of speech motor control processes in preschool children who stutter. Hearing novel nonwords and reproducing them engages multiple neural networks, including those involved in phonological analysis and storage and speech motor programming and execution. We used this task to explore speech motor and language abilities of 31 children aged 4–5 years who were diagnosed as stuttering. We also used sensitive and specific standardized tests of speech and language abilities to determine which of the children who stutter had concomitant language and/or phonological disorders. Approximately half of our sample of stuttering children had language and/or phonological disorders. As previous investigations would suggest, the stuttering children with concomitant language or speech sound disorders produced significantly more errors on the nonword repetition task compared to typically developing children. In contrast, the children who were diagnosed as stuttering, but who had normal speech sound and language abilities, performed the nonword repetition task with equal accuracy compared to their normally fluent peers. Analyses of interarticulator motions during accurate and fluent productions of the nonwords revealed that the children who stutter (without concomitant disorders) showed higher variability in oral motor coordination indices. These results provide new evidence that preschool children diagnosed as stuttering lag their typically developing peers in maturation of speech motor control processes. The reader will be able to: (a) discuss why performance on nonword repetition tasks has been investigated in children who stutter; (b) discuss why children who stutter in the current study had a higher incidence of concomitant language deficits compared to several other studies; (c) describe how performance differed on a nonword repetition test between children who stutter who do and do not have concomitant speech or language deficits; (d) make a general statement about speech motor control for nonword production in children who stutter compared to controls.
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影响因子：
4.3
作者：
GATHERCOLE, SE;BADDELEY, AD
通讯作者：
BADDELEY, AD
DOI：
10.1080/09658219408258940
发表时间：
1994-06-01
期刊：
Memory (Hove, England)
影响因子：
--
作者：
Gathercole, S E;Willis, C S;Emslie, H
通讯作者：
Emslie, H
影响因子：
2.6
作者：
Ambrose, NG;Yairi, E
通讯作者：
Yairi, E
影响因子：
2.6
作者：
Kleinow, J;Smith, A
通讯作者：
Smith, A
影响因子：
2.1
作者：
Anderson, Julie D.;Wagovich, Stacy A.;Hall, Nancy E.
通讯作者：
Hall, Nancy E.