Part II: The Nature and Causes of DAS.

In a previous letter to the parent(s) of children with developmental apraxia of speech (DAS), the speech characteristics often exhibited as part of the disorder were described. In this second letter, the issues involved in current thinking about the nature of the disorder are explored. Also shared is information concerning what is thought to be known about the causes of the disorder. An appendix of publications exploring these issues appears at the end of the letter.