Heterogeneity of short-term memory deficits in children with dyslexia

IF 1.9 3区 教育学 Q1 EDUCATION, SPECIAL Dyslexia Pub Date : 2023-07-30 DOI:10.1002/dys.1749
Sarah Wokuri, Corentin Gonthier, Nathalie Marec-Breton, Steve Majerus
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Abstract

Many studies have highlighted short-term memory (STM) impairment in dyslexic individuals. Several studies showed deficits for both item and serial order aspects of verbal STM in dyslexic individuals. These group-based studies, however, do not inform us about the prevalence of these deficits and, importantly, their potential heterogeneity at the individual level. The present study examined both group-level and individual STM profiles in dyslexic and age-matched non-dyslexic children. While confirming previous group-based results of both item and serial order STM deficits, individual analyses indicated two distinct profiles: one profile was associated with verbal item STM and phonological impairment while another profile showed selective serial STM deficits in both verbal and visual domains. Our results highlight the need for practitioners to consider the heterogeneous nature of STM impairment in dyslexia and to adapt STM and reading treatment strategies accordingly.

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阅读障碍儿童短期记忆缺陷的异质性。
许多研究强调了阅读障碍患者的短期记忆障碍。几项研究表明,在阅读障碍个体中,言语短时记忆的项目和序列顺序方面都存在缺陷。然而,这些基于群体的研究并没有告诉我们这些缺陷的普遍性,更重要的是,它们在个体层面的潜在异质性。本研究调查了阅读障碍儿童和年龄匹配的非阅读障碍儿童的组水平和个体STM特征。虽然证实了先前基于组的项目和序列顺序STM缺陷的结果,但个体分析表明了两个不同的特征:一个特征与言语项目STM和语音损伤有关,而另一个特征在言语和视觉领域都显示出选择性的序列STM缺陷。我们的研究结果强调了从业者需要考虑阅读障碍中STM损伤的异质性,并相应地调整STM和阅读治疗策略。
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来源期刊
Dyslexia
Dyslexia Multiple-
CiteScore
3.90
自引率
9.10%
发文量
27
期刊介绍: DYSLEXIA provides reviews and reports of research, assessment and intervention practice. In many fields of enquiry theoretical advances often occur in response to practical needs; and a central aim of the journal is to bring together researchers and practitioners in the field of dyslexia, so that each can learn from the other. Interesting developments, both theoretical and practical, are being reported in many different countries: DYSLEXIA is a forum in which a knowledge of these developments can be shared by readers in all parts of the world. The scope of the journal includes relevant aspects of Cognitive, Educational, Developmental and Clinical Psychology Child and Adult Special Education and Remedial Education Therapy and Counselling Neuroscience, Psychiatry and General Medicine The scope of the journal includes relevant aspects of: - Cognitive, Educational, Developmental and Clinical Psychology - Child and Adult Special Education and Remedial Education - Therapy and Counselling - Neuroscience, Psychiatry and General Medicine
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