AdvertisementDespite Uneven Results, Alzheimer's Research Suggests A Path For TreatmentDecember 26, 2012Jon HamiltonfacebookEmailBrain scans using Amyvid dye to highlight beta-amyloid plaques in the brain. Clockwise from top left: a cognitively normal subject; an amyloid-positive patient with Alzheimer's disease; a patient with mild cognitive impairment who progressed to dementia during a study; and a patient with mild cognitive impairment. (Slide courtesy of the journal Neurology)