This study investigated how forty-six mothers modified their talk about familiar and unfamiliar nouns and verbs when interacting with their children with Down Syndrome (DS), language impairment (LI), or typical development (TD). Children (MLUs < 2·7) were group-matched on expressive vocabulary size. Mother-child dyads were recorded playing with…

In this case study, all parental talk directed to a young child with autism at home over a 3-day period was analyzed for internal state (IS) language, which explicitly focuses upon the thoughts, feelings, and perceptions of animate beings. The mother and father used IS terms in 33% and 24% of their utterances, respectively, with sensory and desire…