What is it about?
We conducted a retrospective analysis of home videos of infants later diagnosed with childhood apraxia of speech (CAS). We analyzed the speech sound development of these infants and compared it to infants who were typically developing. The infants later diagnosed with CAS were found to have significant differences in the frequency of consonants, as well as their diversity, place features, and manner features.
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Why is it important?
Most reports on the early speech sound development of children with CAS are anecdotal recollections that the child was "quiet" or had "lost sounds." This pilot investigation offers some quantitative data that supports these reports and charts differences in speech sound development between birth and 24 months. Additional studies are needed to replicate and verify these data.
Perspectives
Parents of children with CAS often commented to us that their child always spoke differently and that they knew something was "wrong" when the child was very young. The consistency of these reports prompted us to see if we could identify what it was that concerned parents. Based on the results of this pilot, we are continuing this line of investigation.
Megan S Overby
Duquesne University
Read the Original
This page is a summary of: Volubility, consonant, and syllable characteristics in infants and toddlers later diagnosed with childhood apraxia of speech: A pilot study, Journal of Communication Disorders, May 2015, Elsevier,
DOI: 10.1016/j.jcomdis.2015.04.001.
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