Purpose: To determine the effectiveness of the experimental drug BAN2401 as a possible treatment for people with mild cognitive impairment or mild Alzheimer's disease.
Purpose: To study the relationship between brain MRI results and cognitive impairment in older adults with heart failure.
Purpose: To use a functional MRI (fMRI) index to compare the brain activity of healthy volunteers to that of people with mild cognitive impairment (MCI) and people with Alzheimer's disease in order to develop an early diagnostic tool for Alzheimer's.
Purpose: To determine whether intensive blood pressure lowering will reduce the incidence of all-cause dementia, reduce the decline of global cognitive function in key specific domains, and show changes in brain structure.