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Jamie Linert; Lizbeth H. Finestack; Leonard Abbeduto – Journal of Speech, Language, and Hearing Research, 2025
Purpose: The current study addresses a gap in the literature regarding syntactic development of adolescent boys with fragile X syndrome (FXS) and Down syndrome (DS). Specifically, we ask whether syntactic skills plateau or continue to change during adolescence for these groups and whether the profile of syntactic change differs between boys with…
Descriptors: Syntax, Adolescents, Males, Genetic Disorders
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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