This study used a prospective community-based sample to describe patterns and predictors of language development from 4 to 7 years in verbal children (IQ = 70) with autism spectrum disorder (ASD; n = 26-27). Children with typical language (TD; n = 858-861) and language impairment (LI; n = 119) were used for comparison. Children with ASD and LI had…

This study characterized early language abilities in toddlers with autism spectrum disorders (n = 257) using multiple measures of language development, compared to toddlers with non-spectrum developmental delay (DD, n = 69). Findings indicated moderate to high degrees of agreement among three assessment measures (one parent report and two direct…

Comparison of language patterns of parents of 10 autistic and 10 normal young children indicated few significant differences other than that the parents of autistic Ss used more nonlanguage oriented language and spoke more often. Mothers' and fathers' language patterns differed in several ways, including that mothers took more active roles.…

Six autistic children, age 3-6, and 6 children with Down syndrome were followed over a period of 12-26 months. Autistic children followed the same general developmental path as the Down syndrome children in the acquisition of grammatical and lexical aspects of language. (Author/JDD)