Parkinson Disease Dementia (cont.)
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Parkinson's Disease Dementia Symptoms
Cognitive impairment in Parkinson's disease may range from a single isolated symptom to severe dementia.
Cognitive symptoms in Parkinson's disease include the following:
Persons with Parkinson's disease, with or without dementia, may often respond slowly to questions and requests. They may become dependent, fearful, indecisive, and passive. As the disease progresses, many people with Parkinson's disease may become increasingly dependent on spouses or caregivers.
Major mental disorders are common in Parkinson's disease. Two or more of these may appear together in the same person.
The combination of depression, dementia, and Parkinson's disease usually means a faster cognitive decline and more severe disability. Hallucinations, delusions, agitation, and manic states can occur as adverse effects of drug treatment of Parkinson's disease, this might complicate the diagnosis of Parkinson's dementia.
Medically Reviewed by a Doctor on 9/1/2015
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