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anarthria
Severe form of dysarthria resulting in inability to speak.
Etiology:
- brainstem stroke
Differential diagnosis:
- aphasia is a language disorder
- anarthria is a motor disorder (does not affect ability to understand language)
Notes:
- words & sentences decoded directly from cortical activity during attempted speech with use of deep-learning models & a natural-language model* in a patient with anarthria & spastic quadriparesis caused by a brainstem stroke [1]
* BrainComputer Interface Device
General
dysarthria
References
- Moses DA, Metzger SL, Liu JR
Neuroprosthesis for Decoding Speech in a Paralyzed Person with Anarthria.
N Engl J Med 2021; 385:217-227
PMID: 34260835
https://www.nejm.org/doi/full/10.1056/NEJMoa2027540