What is it about?
This was our second study to address the controversy about whether speech consistency helps diagnose apraxia of speech after stroke. We thought seemingly conflicting results in earlier research might be explained by differences in whether sounds, syllables, or words were analyzed for consistency.
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Why is it important?
We completed several speech analyses for 14 people who had apraxia of speech after stroke. The task was to repeat the same words with many syllables five times in a row. We found that consistency was least consistent for whole words, more consistent for syllables, and most consistent for sounds. This means that earlier research studies did not contradict each other--It is just that speech consistency was defined differently each time.
Perspectives
This study was important because it makes the point that it is important to pay attention to definitions and not rush to conclusions. We also wrote a review that explains how other seemingly contradictory findings about speech consistency are fully compatible.
Katarina L Haley
University of North Carolina at Chapel Hill
Read the Original
This page is a summary of: Error Consistency in Acquired Apraxia of Speech With Aphasia: Effects of the Analysis Unit, Journal of Speech Language and Hearing Research, February 2018, American Speech-Language-Hearing Association (ASHA),
DOI: 10.1044/2017_jslhr-s-16-0381.
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