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Pubmed for Handhelds

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  • Title: Early Lateralization of Gestures in Autism: Right-Handed Points Predict Expressive Language.
    Author: Dimitrova N, Mohr C, Özçalışkan Ş, Adamson LB.
    Journal: J Autism Dev Disord; 2020 Apr; 50(4):1147-1158. PubMed ID: 31872323.
    Abstract:
    Children with autism spectrum disorder (ASD) produce fewer deictic gestures, accompanied by delays/deviations in speech development, compared to typically-developing (TD) children. We ask whether children with ASD-like TD children-show right-hand preference in gesturing and whether right-handed gestures predict their vocabulary size in speech. Our analysis of handedness in gesturing in children with ASD (n = 23, Mage = 30-months) and with TD (n = 23, Mage = 18-months) during mother-child play showed a right-hand preference for TD children-but not for children with ASD. Nonetheless, right-handed deictic gestures predicted expressive vocabulary 1 year later in both children with ASD and with TD. Handedness for gesture, both hand preference and amount of right-handed pointing, may be an important indicator of language development in autism and typical development.
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