James D. Frost, Jr. MD is a Professor, Peter Kellaway Section of Neurophysiology; Department of Neurology and Division of Neuroscience at the Baylor College of Medicine in Houston, Texas. Richard A. Hrachovy is a Professor, Peter Kellaway Section of Neurophysiology, Department of Neuroscience at the Baylor College of Medicine in Houston, Texas and the Director of the Neurophysiology Laboratory at the Veterans Affairs Medical Center in Houston, Texas.