Morphosyntax in down’s syndrome: is the extended optional infinitive hypothesis an option?
Morphosyntax in down’s syndrome: is the extended optional infinitive hypothesis an option?
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唐氏综合症的形态句法：扩展的可选不定式假设是一种选择吗？
DOI：
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发表时间：
2011
期刊：
影响因子：
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通讯作者：
H. Clahsen
中科院分区：
文献类型：
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作者：
M. Ring;H. Clahsen
本文探讨了唐氏综合征(DS)的语言损伤是否可以用与特定语言损伤(SLI)相同的语言标记来描述的问题。我们将评估的具体建议是，说英语的DS青少年在时态相关的语法语素上比在非时态相关的语素上受到更大的损害，这种分离被认为是为了解释SLI患者的语言特征。我们测试了8名患有DS的青少年和与DS参与者的智力年龄相匹配的不同组的正常儿童，在四个启发式任务中检查了过去时、名词复数和比较形容词。研究发现，DS中非时态相关语素受到的影响与时态相关语素相似，说明DS的语言损伤范围比SLI更广，而且不局限于限定词簇。
This paper examines the question of whether language impairment in Down’s syndrome (DS) can be characterized in terms of the same linguistic markers that were identified for Specific Language Impairment (SLI). The specific proposal we will assess is that English-speaking adolescents with DS are more impaired in tense-related grammatical morphemes than in non-tense-related morphemes, a dissociation that has been argued to explain the linguistic profile of individuals with SLI. We tested 8 adolescents with DS and various groups of unimpaired children matched for mental age to the DS participants in four elicitation tasks examining the past tense, noun plurals, and comparative adjectives. We found that non-tense related morphemes are affected in a similar way to tense-related morphemes in DS indicating that the linguistic impairment in DS is broader than in SLI and not restricted to the finiteness cluster.
DOI：
10.1044/jshr.3906.1239
发表时间：
1996-12-01
期刊：
JOURNAL OF SPEECH AND HEARING RESEARCH
影响因子：
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作者：
Rice, ML;Wexler, K
通讯作者：
Wexler, K