Health & Wellness Resources


What is Parkinson's Disease Dementia?


Parkinson ’s disease dementia (PDD) is an impairment in thinking and reasoning that effects 50-80% of people diagnosed with Parkinson’s disease. Patient’s with Parkinson’s disease dementia often experience the same symptoms as Alzheimer’s patients, in addition to sleep disturbances, visual hallucinations, muscle rigidity or other Parkinsonism physical and cognitive impairments.

What is Parkinson’s Disease Dementia?

The brain changes caused by Parkinson’s disease begin in a part of the brain that controls movement. As Parkinson’s disease progresses, it often begins to cause cognitive impairments due to protein deposits found in the brain stem that deplete dopamine levels. Parkinson’s disease dementia symptoms include problems with memory, perception, thinking and behavior, trouble speaking, confusion, hallucinations, changes in mood and personality, muscle rigidity, sleep disturbances, anxiety, depression and tremors. There is no cure or treatment to slow or stop brain deterioration from Parkinson’s disease dementia.  It’s important to work closely with a physician to determine which medications work best for you or your loved ones.

Learn more about different types of dementia here.