Distinguishing Between Alzheimer's Disease, Lewy Body Dementia, and Parkinson's Disease
The study is designed to characterize the clinical, neuropsychological, polysomnographic, and neuroimaging findings among subjects with Alzheimer's disease, Lewy Body dementia, and Parkinsons' Disease.
• Subjects must meet the standard clinical criteria of the syndromes of interest
• All subjects must have enough cognitive abilities to complete study procedures, which will be operationally defined as having a Mini Mental State Examination (MMSE) score greater or equal to 10.
• Subjects must be on stable cognitive and psychoactive medication regimen for the preceding four weeks of enrollment.
• Subjects must have a responsible study partner that either lives with them or is in regular contact with them at least 4 out of 7 days per week.
• Subjects must have visual and auditory acuity adequate for testing.