Background: Children with speech sound disorders (SSD) form a heterogeneous group who differ in terms of the severity of their condition, underlying cause, speech errors, involvement of other aspects of the linguistic system and treatment response. To date there is no universal and agreed-upon classification system. Instead, a number of…

Jaw movement patterns were examined longitudinally in a 3-year-old male with childhood apraxia of speech (CAS) and compared with a typically developing control group. The child with CAS was followed for 8 months, until he began accurately and consistently producing the bilabial phonemes /p/, /b/, and /m/. A movement tracking system was used to…

The study evaluated the usefulness of acoustic tracking as a supplement to perceptual judgments during remediation of articulation errors with a 10-year-old. Analysis of temporal and spectral characteristics of recorded imitations of sentence stimuli were compared with perceptual judgments of articulatory change over a 70-day remediation period…