Dementia Experts: Learn more about the Imaging Dementia-Evidence for Amyloid Scanning (IDEAS) Study (www.ideas-study.org), through which more than 18,000 Medicare patients may receive access to a brain amyloid PET scan to help clarify the cause of their dementia. The video features IDEAS Study principal investigator, Gil Rabinovici, M.D., Associate Professor of Neurology, UCSF Memory and Aging Center.