Keywords: PET scan-normal brain-alzheimers disease brain.PNG en PET scans showing the differances between a normal older adult's brain and the brain of an older adult afflicted with Alzheimer's disease 2013-03-19 12 54 30 Alzheimer's Disease Unraveling the Mystery Health and Human Services Department National Institutes of Health National Institute on Aging p 24http //www nia nih gov/alzheimers/publication/alzheimers-disease-unraveling-mystery PD-USGov Uploaded with UploadWizard Alzheimer's disease Positron emission tomography |