Scopolamine-induced “cholinergic stress test” in the elderly

1 Department of Neurology, Methodist Neurological Institute, Houston Methodist Hospital, Houston, TX, USA 2 Department of Neurology, Professor of Neurology, Weill Cornell Medical College of Cornell University, New York, NY, USA 3 Department of Medicine, Houston Methodist Hospital, Houston, TX, USA 4 Department of Medicine, Clinical Professor of Internal Medicine, Weill Cornell Medical College of Cornell University, New York, NY, USA 5 Division of Cognitive Aging and Geriatric Psychiatry, Mexican National Institute of Neurology and Neurosurgery, México DF, México 6 Departments of Radiology and Neuroscience, Assistant Professor in Radiology and Neuroscience, Baylor College of Medicine, Houston, TX, USA 7 Director of Nuclear Medicine, Houston Methodist Hospital, Houston, TX, USA *Correspondence: [email protected]