Parkinson's Disease is a chronic progressive, neurodegenerative disease that is characterized by progressive limb motor symptoms. Parkinson's disease is a movement disorder that affects those of middle age to old age. (Friedman et al., 2004). Majority of Parkinson's disease patients have disordered speech, including variable speech rate and reduced phrase length. Distinct from people, who don't have neurological damage, Parkinson's disease patients have abnormalities controlling pause location and duration in speech. This disorder occurs in all races but it is more prevalent among Caucasians, majority of those who have Parkinson's disease are men. 50% of patients have cognitive decline; depression and psychotic events take place. Death is usually due to a cause other than Parkinson's disease. (Burch, 2005).

James Parkinson born in 1755 in Schoreditch, was the first physician to thoroughly describe the syndrome in 1817. In the 1900s famous people have been inflicted with Parkinson's disease. Such as Adolf Hitler, George...