Examining the Effects of Depression on Cognition in Alzheimer's Disease and Vascular Dementia Lead Investigator: Nicole Coolbrith Institution : William James College E-Mail : nicole_coolbrith@williamjames.edu Proposal ID : 1222 Proposal Description: 1. To determine the effect of depression on cognition. To determine if there is a greater effect on cognitive functioning in vascular dementia or Alzheimer's disease. 2. To expand on current research that examines the effect of depression on cognition in dementia. To test the hypothesis that depression affects cognition more in vascular dementia compared to Alzheimer's disease.