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Choi, Boin; Wei, Ran; Rowe, Meredith L. – Developmental Psychology, 2021
It is well established that deictic gestures, especially pointing, play an important role in children's language development. However, recent evidence suggests that other types of deictic gestures, specifically show and give gestures, emerge before pointing and are associated with later pointing. In the present study, we examined the development…
Descriptors: Nonverbal Communication, Infants, Language Acquisition, Age Differences
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Visootsak, J.; Hess, B.; Bakeman, R.; Adamson, L. B. – Journal of Intellectual Disability Research, 2013
Background: Down syndrome (DS, OMIM #190685) is the most commonly identified genetic form of intellectual disability with congenital heart defect (CHD) occurring in 50% of cases. With advances in surgical techniques and an increasing lifespan, this has necessitated a greater understanding of the neurodevelopmental consequences of CHDs. Herein, we…
Descriptors: Down Syndrome, Heart Disorders, Mental Retardation, Language Acquisition
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Young, Gregory S.; Rogers, Sally J.; Hutman, Ted; Rozga, Agata; Sigman, Marian; Ozonoff, Sally – Developmental Psychology, 2011
The development of imitation during the second year of life plays an important role in domains of sociocognitive development such as language and social learning. Deficits in imitation ability in persons with autism spectrum disorder (ASD) from toddlerhood into adulthood have also been repeatedly documented, raising the possibility that early…
Descriptors: Socialization, Autism, Imitation, Infants