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Language Development from Early Childhood to Adolescence in Youths with Fragile X Syndrome
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Brady, Nancy C.; Fleming, Kandace; Bredin-Oja, Shelley L.; Fielding-Gebhardt, Heather; Warren, Steven F. – Journal of Speech, Language, and Hearing Research, 2020
Purpose: The aim of this study was to investigate language growth in individuals with fragile X syndrome (FXS) from early childhood to adolescence and the influence of maternal responsivity on language growth. Method: We conducted a longitudinal analysis of language development in 55 youths (44 males, 11 females) with FXS. Data collection spanned…
Descriptors: Intellectual Disability, Language Acquisition, Vocabulary Development, Standardized Tests
Longitudinal Profiles of Expressive Vocabulary, Syntax and Pragmatic Language in Boys with Fragile X Syndrome or Down Syndrome
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Martin, Gary E.; Losh, Molly; Estigarribia, Bruno; Sideris, John; Roberts, Joanne – International Journal of Language & Communication Disorders, 2013
Background: Fragile X syndrome (FXS) and Down syndrome (DS) are the two leading genetic causes of intellectual disability, and FXS is the most common known genetic condition associated with autism. Both FXS and DS are associated with significant language impairment, but little is known about expressive language across domains over time or the role…
Descriptors: Expressive Language, Vocabulary, Syntax, Pragmatics