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Predictors of longer-term development of expressive language in two independent longitudinal cohorts of language-delayed preschoolers with Autism Spectrum Disorder.

Vanessa H BalMegan FokCatherine LordIsabel M SmithPat MirendaPeter SzatmariTracy VaillancourtJoanne VoldenCharlotte WaddellLonnie ZwaigenbaumTerry BennettEric DukuMayada ElsabbaghStelios GeorgiadesWendy J UngarAnat Zaidman-Zait
Published in: Journal of child psychology and psychiatry, and allied disciplines (2019)
Marked deficits in fine motor skills may be a salient proxy marker for identifying language-delayed children with ASD who are at risk for persistent language impairments. This finding adds to the literature demonstrating a relation between motor and language development in ASD. Investigating individual skill areas (e.g., fine motor and nonverbal problem-solving skills), rather than broader indices of developmental level (e.g., nonverbal IQ) may provide important cues to understanding longer-term language outcomes that can be targeted in early intervention.
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