A Study of Neurodegeneration and Neuronal Fluctuations in Lewy Body Disease and Alzheimer's Disease

Exclusion Criteria

• •All participants will receive copies of the signed ICFs (including signatures of those obtaining consent).
• •All participants have the right to withdraw from the study at any time.
• •Individuals will be excluded if they have significant sensory (visual and hearing) deficits or major medical or psychiatric illnesses which would limit participation.
• •Participants will also be excluded if they have history of other major neurologic disorders including stroke, epilepsy, meningitis/encephalitis, metabolic or toxic encephalopathy, penetrating or severe closed head injury, brain tumor/other structural lesion, other primary movement disorders (such as essential tremor, dystonia, chorea, multiple system atrophy, progressive supranuclear palsy, corticobasal syndrome).
• •If the subject is a woman of childbearing potential, due to unknown risks to the fetus, they must have a pregnancy test. Individuals who have a history metalworking involving cutting processes such as grinding, filing, shaving, and threading, or history of eye injury involving metal, will also be excluded unless they have had prior documented radiological clearance for MRI.