The purpose of this voluntary research study is to find out more about changes in the brain as we age. This study is trying to determine if magnetic resonance imaging (MRI), genetic variations, amyloid positron emissions tomography (PET), neuropsychological testing, and smell tests can be used to evaluate memory loss and cognitive impairment.

You will be asked to come to the research site once a year for 5 years. Annual (and semi-annual) procedures include completing smell tests, neuropsychological tests, magnetic resonance imaging (MRI). One-time procedures include provide blood sample, amyloid PET scan (if indicated), and optional lumbar puncture.

Up to $250 a year