Data review of ADC participants 2000-2010 Lead Investigator: Fran Lissemore Institution : Case Western Reserve University School of Medici E-Mail : frances.lissemore@case.edu Proposal ID : 1001 Proposal Description: Obtain data entered into NACC by the Case Western ADC (NACC site number 003) between 2000-2012 of participants for whom we have autopsy samples.