Louis A. Schmidt is an associate professor and associate chair in the Department of Psychology, Neuroscience, and Behavior at McMaster University in Ontario, Canada. He is a Core Member of the Offord Centre for Child Studies, Division of Child Psychiatry at McMaster Children's Hospital. He received his Ph.D. from the University of Maryland, College Park. His research interests are developmental psychophysiology, human social and affective neuroscience, and the use of EEG/ERP to understand individual differences in temperament and affective responses to normal and special populations.