1. Received June 20, 2003; revised February 27, 2003; accepted March 13, 2002. From the Department of Psychiatry and Kunin-Lunenfeld Applied Research Unit, Baycrest Centre for Geriatric Care, and the Division of Geriatric Psychiatry, University of Toronto, Toronto, Ontario; the Rotman Research Institute, Baycrest Centre for Geriatric Care, and Departments of Medicine (Neurology, Rehabilitation Science) and Psychology, University of Toronto, Toronto, Ontario; and the Department of Psychiatry, Baycrest Centre...