Background: Delayed, abnormal language is a common feature of autism and language therapy often a significant component of recommended treatment. However, as with other disorders with a language component, we know surprisingly little about the language trajectories and how varied these might be across different children. Thus, we know little about…

This paper discusses the evidence that the specific developmental profile frequently described as being associated with Down syndrome--a profile of communication weaknesses relative to social and daily living skills--can be changed. It is not an inevitable outcome of having Down syndrome. Drawing on data collected to explore the outcomes of fully…