Lauren B. Adamson|Roger Bakeman|Katharine Suma|Diana L. Robins
An Expanded View of Joint Attention: Skill, Engagement, and Language in Typical Development and Autism
Georgia State University|Georgia State University|Georgia State University|Drexel University
study provides expanded view joint attention relation expressive language development total 144 toddlers 40 typically developing 58 autism spectrum disorder asd 46 developmental delay dd participated 24 31 months toddlers screened positive asd risk especially subsequently diagnosed asd poorer joint attention skills joint engagement parenttoddler interaction expressive language findings highlight dynamic relation joint attention language development asd dd groups joint engagement predicted later expressive vocabulary significantly predictions based joint attention skills joint engagement severely impacted toddlers talk initially improved markedly subsequently began speak