Does race and ethnicity affect rate of conversion from MCI to Dementia? Lead Investigator: Mansoor Malik Institution : Johns Hopkins University E-Mail : mmalik4@jhmi.edu Proposal ID : 1404 Proposal Description: Specific Aims: To explore the role of race/ethnicity in the progression of MCI to Alzheimer?s disease Study Design: By controlling other confounding variables, we will analyze the NACC data by logistical regression and other appropriate statistical measures.