This article reports on a longitudinal case study of consonant productions in one Norwegian girl with Cri du chat syndrome from age 4;6 to age 9;4. It was shown that she had many articulation errors throughout the period of observation. Furthermore, these errors were shown to fall into three main categories: (1) errors of differentiation and…

Evaluation of the speech of five Dutch-speaking adolescent girls with Down's syndrome found that speech errors tended to be identical to the error patterns in young normal children supporting the view that misarticulations in Down's syndrome subjects are mainly the result of a delay in speech development. (Author/DB)