The center accepts donations. Phenotypes include Alzheimer's disease, family history of Alzheimer's, cognitively normal, dementia with Lewy bodies, frontotemporal dementia, tauopathy, Parkinson's, vascular dementia, progressive supranuclear palsy, multiple sclerosis, Huntington's, and multiple system atrophy. Tissues collected include hemisphere and occasional spinal cord, and are availabe to researchers fixed or frozen.