Neural correlates of delusion Lead Investigator: Simon Laganiere Institution : Beth Israel Deaconess Medical Center E-Mail : slaganie@bidmc.harvard.edu Proposal ID : 515 Proposal Description: The aims of the study are to: 1) to determine whether there is a correlation between atrophy patterns and delusions in Alzheimer's disease. This would provide further evidence for structure function relationship of delusions and contribute to a better understanding of the neuroanatomical underpinnings of delusions in the broader field of neuropsychiatry and 2) to test the hypothesis that delusions correlate with specific atrophy patterns reflecting loss of function in critical cortical nodes.