Approximately a quarter of all patients with Parkinson's disease also have dementia, but after having Parkinson's disease for 15 years, over two-thirds develop dementia. Since over 1 million people have Parkinson's Disease in the United States, there is a pressing need to understand how people with Parkinson's Disease Dementia differ from people with Alzheimer's Disease, and what treatments are available.
Parkinson's Disease Dementia (PDD) is usually different in how it presents itself from Alzheimer's disease: In PDD, for example, people usually have major problems with attention, executive functioning, and memory retrieval. In Alzheimer's disease, the memory problem is more often one of storing memories.... Read more
Parkinson's disease is a brain disorder named after the British physician, James Parkinson, who first accurately described its symptoms in 1817. Its three major symptoms are tremor (trembling which usually starts in one hand), rigidity in the trunk or limbs and slowness of movement.... Read more
A key to identifying PDD is the development of cognitive problems that are severe enough to affect daily functioning. The Mini-Mental State Examination (MMSE) is a screening test that is often used to help diagnose both Alzheimer's disease and PDD.... Read more
Presently, there is only one FDA-approved treatment for PDD. The Exelon patch (rivastigmine transdermal system) and Exelon (rivastigmine tartrate) capsules are indicated for the treatment of mild to moderate dementia of the Alzheimer's type and mild to moderate dementia associated with Parkinson's disease...Read more