Investigating Speech Perception in Children With Dyslexia: Is There Evidence of a Consistent Deficit in Individuals?

被引:59
作者
Messaoud-Galusi, Souhila [1 ]
Hazan, Valerie [1 ]
Rosen, Stuart [1 ]
机构
[1] UCL, London WC1E 6BT, England
来源
JOURNAL OF SPEECH LANGUAGE AND HEARING RESEARCH | 2011年 / 54卷 / 06期
关键词
dyslexia; speech perception; noise; reading; categorical perception; DEVELOPMENTAL DYSLEXIA; PHONOLOGICAL REPRESENTATIONS; PROCESSING DEFICITS; POOR READERS; DISCRIMINATION; LANGUAGE; IMPAIRMENTS; IDENTIFICATION; SEARCH; SOUNDS;
D O I
10.1044/1092-4388(2011/09-0261)
中图分类号
R36 [病理学]; R76 [耳鼻咽喉科学];
学科分类号
100104 ; 100213 ;
摘要
Purpose: The claim that speech perception abilities are impaired in dyslexia was investigated in a group of 62 children with dyslexia and 51 average readers matched in age. Method: To test whether there was robust evidence of speech perception deficits in children with dyslexia, speech perception in noise and quiet was measured using 8 different tasks involving the identification and discrimination of a complex and highly natural synthetic "bee"-"pea" contrast (copy synthesized from natural models) and the perception of naturally produced words. Results: Children with dyslexia, on average, performed more poorly than did average readers in the synthetic syllables identification task in quiet and in across-category discrimination (but not when tested using an adaptive procedure). They did not differ from average readers on 2 tasks of word recognition in noise or identification of synthetic syllables in noise. For all tasks, a majority of individual children with dyslexia performed within norms. Finally, speech perception generally did not correlate with pseudoword reading or phonological processing-the core skills related to dyslexia. Conclusions: On the tasks and speech stimuli that the authors used, most children with dyslexia did not appear to show a consistent deficit in speech perception.
引用
收藏
页码:1682 / 1701
页数:20
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