Distinguishing Between Alzheimer's Disease, Lewy Body Dementia, and Parkinson's Disease

A functional imaging of the dopamine transporter using the radioligand \[123I\]FP-CIT

A brain scan to to measure the extent of amyloid deposition

a brain scan measuring total and regional cerebral glucose metabolism wtih positron emission tomographs with 2-(18F)

10 ml of whole blood will be drawn and shipped to Athena Diagnostics for genetic testing.

Overnight sleep study

Clinical assessments include cognitive, behavioral, and motor evaluations