Effect of depression on cognitive decline: Is it mediated through cerebral Lead Investigator: Aliza Wingo Institution : Emory University E-Mail : aliza.wingo@emory.edu Proposal ID : 919 Proposal Description: We propose to use the NAAC Uniformed dataset of participants who were pre-morbidly assessed and subsequently underwent autopsy assessment to investigate 2a) the relationship between depressive symptoms and rate of cognitive decline, adjusting for AD pathological burden. 2b) whether rates of cognitive decline accounted for by depression are significantly different between men and women. 2c) whether depression modifies the association between AD pathological burden and cognitive decline.