1. From the Departments of Neurology, Neurosciences, Cell Biology and Physiology, and Mathematics and Statistics, University of New Mexico Health Sciences Center, Albuquerque (G.A.R.); and Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden (M.B., A.W.).