In addition to its widely recognized effects on gait, posture, balance, and upper limb coordination, Parkinson's disease (PD) can have a profound effect on speech and voice, within a cluster of speech ...

Dysarthria is a collective term for a group of speech disorders that occur as a result of muscle weakness. People with dysarthria have neurological damage that weakens the muscles necessary for speech ...

As the overall clinical management of PD has improved, we have seen the mortality rate of this population decrease to approximately that of the normal population. To the extent that pharmaceutical ...