Jonathan Wolpaw, MD, is Chief at the Laboratory of Nervous System Disorders at the Wadsworth Center, New York State Department of Health and State University of New York, Albany, NY. Elizabeth Winter Wolpaw, PhD is Professor Emeritus in the Department of Chemistry at Siena College in Albany, NY and Research Associate at the Laboratory of Nervous System Disorders at the Wadsworth Center, New York State Department of Health and State University of New York, Albany, NY.