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首页> 外文期刊>CoDAS >Mean length utterance in Brazilian children: a comparative study between Down syndrome, specific language impairment, and typical language development
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Mean length utterance in Brazilian children: a comparative study between Down syndrome, specific language impairment, and typical language development

机译：巴西儿童的平均说话长度：唐氏综合症，特定语言障碍和典型语言发展之间的比较研究

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PURPOSE: To describe the linguistic performance of Brazilian Portuguese-speaking children with Down syndrome by analyzing their Mean Length Utterance; to compare their performance to that of children with Specific Language Impairment and Typical Development; and to verify whether children with Down syndrome present developmental language delay or disorder. METHOD: Participants were 25 children with Down syndrome (Research Group), matched by mental age to a Control Group of typically developing children, and to a Control Group of children with Specific Language Impairment. Participants were divided into subgroups, according to age range (three, four and five years). Speech samples were collected for the Research Group, and the Mean Length Utterance was analyzed for morphemes and words. RESULTS: Differences were observed between the performance of the Research Group and both Control Groups, and the former presented inferior Mean Length Utterance values for all age ranges, characterizing a delay in grammar and general language development. CONCLUSION: The description of the linguistic abilities of Brazilian Portuguese-speaking children with Down syndrome indicated important grammatical deficits, especially regarding the use of functional words.
机译：目的：通过分析他们的平均身长话语来描述巴西葡萄牙语的唐氏综合症儿童的语言表现;比较他们的表现与有特定语言障碍和典型发育的儿童的表现;并验证患有唐氏综合症的儿童是否存在发育语言延迟或障碍。方法：参与者为25名唐氏综合症患儿（研究组），根据年龄的不同，将其与通常发育中的儿童对照组和特定语言障碍儿童的对照组进行比较。根据年龄范围（三年，四年和五年）将参与者分为几组。为研究组收集了语音样本，并分析了平均长度话语的词素和单词。结果：研究组和两个对照组的表现均存在差异，前者在所有年龄段均表现出较差的平均长度说话值，这表明语法和一般语言发展出现延迟。结论：对巴西葡萄牙语的唐氏综合症儿童的语言能力的描述表明了重要的语法缺陷，尤其是在使用功能性单词方面。

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