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Dysarthria![]() Dysarthria is a motor speech disorder. The muscles of the mouth, face, voice, and respiratory system can be weak or move slowly after a stroke, progressive neurological disorder, or other brain injury.
For information from the ASHA website about dysarthria, click here. The Lee Silverman Voice Treatment Program is a research program proven to be an effective treatment method for communication impairment in people with: • Neurological disorders, such as Parkinson’s Disease and Cerebral Palsy or • Difficulties with Communication due to age-related voice changes. |


