Laboratories of Neurosciences and Experimental Gerontology, National Institute on Aging Intramural Research Program, 5600 Nathan Shock Drive, Baltimore, MD 21224; Department of Anatomy and Neurobiology and the Morris K. Udall Parkinson's Disease Research Center of Excellence, University of Kentucky, 800 Rose Street, Lexington, KY 40536; PET Department, Warren G. Magnuson Clinical Center, National Institutes of Health, Bethesda, MD 20892; Neuroimaging Section, Geriatric Psychiatry Branch, National... (2004-12-16時点)