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Are the Literacy Difficulties That Characterize Developmental Dyslexia Associated with a Failure to Integrate Letters and Speech Sounds?
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Nash, Hannah M.; Gooch, Debbie; Hulme, Charles; Mahajan, Yatin; McArthur, Genevieve; Steinmetzger, Kurt; Snowling, Margaret J. – Developmental Science, 2017
The "automatic letter-sound integration hypothesis" (Blomert, [Blomert, L., 2011]) proposes that dyslexia results from a failure to fully integrate letters and speech sounds into automated audio-visual objects. We tested this hypothesis in a sample of English-speaking children with dyslexic difficulties (N = 13) and samples of…
Descriptors: Dyslexia, Phoneme Grapheme Correspondence, Control Groups, Diagnostic Tests
The Growth of Reading Skills in Children with Down Syndrome
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Hulme, Charles; Goetz, Kristina; Brigstocke, Sophie; Nash, Hannah M.; Lervag, Arne; Snowling, Margaret J. – Developmental Science, 2012
There appears to be a close and probably causal relationship between early variations in phoneme skills and later reading skills in typically developing children, though the pattern in children with Down Syndrome is less clear. We present the results of a 2-year longitudinal study of 49 children with Down Syndrome (DS) and 61 typically developing…
Descriptors: Phonemes, Down Syndrome, Reading Skills, Vocabulary Development
Cognitive Endophenotypes of Dyslexia
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Moll, Kristina; Loff, Ariana; Snowling, Margaret J. – Scientific Studies of Reading, 2013
The study investigated cognitive deficits associated with dyslexia and familial risk of dyslexia (endophenotypes) by comparing children from families with and without a history of dyslexia. Eighty-eight school-aged children were assessed on measures of phonology, language and rapid automatized naming. A series of regression analyses with family…
Descriptors: Dyslexia, Cognitive Ability, Neurological Impairments, Comparative Analysis
Cognitive Profiles of Poor Readers of Kannada
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Nag, Sonali; Snowling, Margaret J. – Reading and Writing: An Interdisciplinary Journal, 2011
The alphasyllabary of Kannada comprises more than 400 symbols called "akshara"; each symbol is visuo-spatially complex with a consistent representation at the dual levels of the syllable and the phoneme. We investigated reading difficulties in Kannada among 8-12 year old children by conducting a between-groups followed by a case series…
Descriptors: Reading Difficulties, Syllables, Phonemes, Oral Language
Efficacy of a Reading and Language Intervention for Children with Down Syndrome: A Randomized Controlled Trial
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Burgoyne, Kelly; Duff, Fiona J.; Clarke, Paula J.; Buckley, Sue; Snowling, Margaret J.; Hulme, Charles – Journal of Child Psychology and Psychiatry, 2012
Background: This study evaluates the effects of a language and literacy intervention for children with Down syndrome. Methods: Teaching assistants (TAs) were trained to deliver a reading and language intervention to children in individual daily 40-min sessions. We used a waiting list control design, in which half the sample received the…
Descriptors: Receptive Language, Foreign Countries, Early Intervention, Language Skills
Predictors of Exception Word and Nonword Reading in Dyslexic Children: The Severity Hypothesis.
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Griffiths, Yvonne M.; Snowling, Margaret J. – Journal of Educational Psychology, 2002
Multiple regression methods were used to examine continuous variation in component reading subskills and their underlying cognitive skills within a group of 9 to 15-year-old children. Results are discussed within a connectionist framework that views the decoding deficit in dyslexia as stemming from poorly specified phonological representations.…
Descriptors: Children, Decoding (Reading), Dyslexia, Multiple Regression Analysis
Family Risk of Dyslexia Is Continuous: Individual Differences in the Precursors of Reading Skill.
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Snowling, Margaret J.; Gallagher, Alison; Frith, Uta – Child Development, 2003
Followed development of children at family risk for dyslexia from 3 years to 8 years. Found that 66 percent of high-risk group had reading disabilities at age 8 compared with only 13 percent in a control group. However, family risk of dyslexia was continuous. Interpreted findings within a model in which problems in establishing a phonological…
Descriptors: At Risk Persons, Children, Cognitive Ability, Comparative Analysis