Atypical Prosody in Asperger Syndrome: Perceptual and Acoustic Measurements
Atypical Prosody in Asperger Syndrome: Perceptual and Acoustic Measurements
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DOI：
10.1007/s10803-014-2073-2
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发表时间：
2014-08-01
影响因子：
3.9
通讯作者：
Vicente, Selene G.
中科院分区：
文献类型：
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作者：
Filipe, Marisa G.;Frota, Sonia;Vicente, Selene G.
众所周知，患有Alfreger综合征（AS）的个体可能对所说的话没有任何问题（例如，词汇内容），但往往在如何产生话语方面有困难，即，他们可能表现出韵律障碍。本研究的重点是韵律特征在语法意义表达中的作用。具体来说，我们探讨了语句和问题之间的句子类型的差异，通过语调，使用感知和声学测量。根据年龄和非语言智力，将8岁和9岁AS儿童（n = 12）与典型发育的同龄人（n = 17）进行匹配。虽然儿童AS可以产生绝对准确的韵律模式，他们的韵律轮廓被认为是奇怪的成年听众，声学测量显示改变的持续时间和音高。此外，与正常发育的同龄人相比，AS儿童的基频轮廓具有更大的变异性。
It is known that individuals with Asperger syndrome (AS) may show no problems with regard to what is said (e.g., lexical content) but tend to have difficulties in how utterances are produced, i.e., they may show prosodic impairments. In the present study, we focus on the use of prosodic features to express grammatical meaning. Specifically, we explored the sentence type difference between statements and questions that is conveyed by intonation, using perceptual and acoustic measurements. Children aged 8 and 9 years with AS (n = 12) were matched according to age and nonverbal intelligence with typically developing peers (n = 17). Although children with AS could produce categorically accurate prosodic patterns, their prosodic contours were perceived as odd by adult listeners, and acoustic measurements showed alterations in duration and pitch. Additionally, children with AS had greater variability in fundamental frequency contours compared to typically developing peers.