Speech in Individuals with Parkinson's Disease with and without Deep Brain Stimulation.

(Jan. 09) Speech is a complex behavior that is coordinated by an integrated network of sensory, muscular, respiratory, and cognitive systems.  As a result of the complex nature of speech, symptoms of speech impairment can be quite diverse, reflecting dysfunction in one or more of these systems.  Research has found that speech problems are common in Parkinson’s disease (PD), and it has been found that 70% of persons with PD reported speech impairments after the onset of PD.1 

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