This advice-column-style blog for SLPs was authored by Pam Marshalla from 2006 to 2015, the archives of which can be explored here. Use the extensive keywords list found in the right-hand column (on mobile: at the bottom of the page) to browse specific topics, or use the search feature to locate specific words or phrases throughout the entire blog.
Differentiating Between Apraxia and Dysarthria
By Pam Marshalla
Q: What would to do in an evaluation to differentiate between CAS and dysarthia? Specifically would you rule out muscle weakness?
The definitions of apraxia and dysarthria speak for themselves––
- APRAXIA is a motor speech disorder that occurs in the ABSENCE of neuromuscular problems. It is a problem in the perception of movement, and therefore it causes problems in planning movement. The result is severe articulation and phonological deficit.
- DYSARTHRIA is a motor speech disorder that occurs in the PRESENCE of neuromuscular problems. It is a problem in the execution of movement. The result is severe articulation and phonological deficit.
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