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Rice, Mabel L. – Journal of Speech, Language, and Hearing Research, 2020
Purpose: This review article summarizes a program of longitudinal investigation of twins' language acquisition with a focus on causal pathways for specific language impairment (SLI) and nonspecific language impairment in children at 4 and 6 years with known history at 2 years. Method: The context of the overview is established by legacy scientific…
Descriptors: Twins, Genetics, Language Impairments, Age Differences
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Dworzynski, Katharina; Ronald, Angelica; Hayiou-Thomas, Marianna; Rijsdijk, Fruhling; Happe, Francesca; Bolton, Patrick F.; Plomin, Robert – International Journal of Language & Communication Disorders, 2007
Background: Impairments in language and communication are core features of autism spectrum disorders (ASDs). The basis for this association is poorly understood. How early language is related to each of the triad of impairments characteristic of ASDs is also in need of clarification. Aims: This is the first study that aims to determine the extent…
Descriptors: Language Aptitude, Genetics, Children, Asperger Syndrome