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Mattie, Laura J.; Hamrick, Lisa R. – Autism & Developmental Language Impairments, 2022
Background and Aims: Individuals with fragile X syndrome (FXS) characteristically struggle with language and communication throughout the life course, but there is limited research on the development of communication before 24 months. The purpose of this study is to describe the early communication of infants and toddlers with FXS using the…
Descriptors: Genetic Disorders, Congenital Impairments, Intellectual Disability, Language Impairments
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West, Kelsey L.; Roemer, Emily J.; Northrup, Jessie B.; Iverson, Jana M. – Journal of Speech, Language, and Hearing Research, 2020
Purpose: Infants with autism spectrum disorder (ASD) produce fewer play actions and gestures than neurotypical infants (e.g., Mastrogiuseppe et al., 2015; Veness et al., 2012; Zwaigenbaum et al., 2005). The purpose of this study was to investigate whether different "types" of actions and gestures are more or less likely to develop…
Descriptors: Infants, Siblings, Autism, Pervasive Developmental Disorders