1. From the LC Campbell Cognitive Neurology Research Unit and Heart and Stroke Foundation Centre for Stroke Recovery (J.A.P., S.E.B.), Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada; the Neuroscience Research Program (J.A.P., R.I.A., S.E.B., A.J.F., B.J.M.), Sunnybrook Research Institute, Toronto, Ontario, Canada; and the Division of Neurology, Department of Medicine (J.A.P., S.E.B., A.L., B.J.M.) and Department of Medical Imaging (R.I.A., A.J.F.), Sunnybrook Health Sciences Centre,...