Impairments in joint attention are considered core symptoms of autism spectrum disorder (ASD) and are crucial for early assessment and intervention. However, existing information about visual attention during joint attention and its relation to developmental functioning is limited. The current study investigated the visual attention differences…

In this study we examined early motor, vocal, and communicative development in a group of younger siblings of children diagnosed with autism (Infant Siblings). Infant Siblings and no-risk comparison later-born infants were videotaped at home with a primary caregiver each month from 5 to 14 months, with follow-up at 18 months. As a group, Infant…

Evaluation of 195 normal children (aged 1-5 years), 160 normal children (aged 3-24 months), and 41 autistic children (aged 5-11 years) on the eight psychological variables of the Behavioral Rating Instrument for Autistic and Other Atypical Children indicated certain autistic behaviors are not normal at any stage of development. (Author/CB)