Acoustic Analysis of PD Speech


Parkinson’s disease (PD) is an idiopathic neurodegenerative disease caused by loss of dopamineproducing cells in the substantia nigra of the basal ganglia, affecting over one-half million people in the U.S., most over age 50. Its major symptoms are muscular rigidity, bradykinesia, resting tremor, and postural instability. An estimated 70%–90% of patients with PD also develop speech or voice disorders…

Karen Chenausky, Joel MacAuslan, and Richard Goldhor, “Acoustic Analysis of PD Speech,” Parkinson’s Disease, vol. 2011, Article ID 435232, 13 pages, 2011. doi:10.4061/2011/435232

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