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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
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Estigarribia, Bruno; Martin, Gary E.; Roberts, Joanne E.; Spencer, Amy; Gucwa, Agnieszka; Sideris, John – Applied Psycholinguistics, 2011
We examined recalled narratives of boys with fragile X syndrome with autism spectrum disorder (FXS-ASD; N = 28) and without ASD (FXS-O; N = 29), and compared them to those of boys with Down syndrome (N = 33) and typically developing (TD) boys (N = 39). Narratives were scored for mentions of macrostructural story grammar elements (introduction,…
Descriptors: Story Grammar, Mental Age, Age, Syntax