Study Status: Recruiting
Recruit Status: Recruiting
Study Type: Observational
Official Title: Early-onset Alzheimer's Disease Phenotypes: Neuropsychology and Neural Networks
Brief Summary: This study attempts to identify two types of AD by using clinical and cognitive tasks and brain imaging. The subtypes of AD are separated into a "typical" group (memory loss) and a "variant" group (language, visuospatial, and other cognitive difficulties). Performance on the clinical tasks and brain imaging will be compared among the young-onset Alzheimer's disease group, a late-onset Alzheimer's disease group, and a control group.