Dr. Terry Jernigan is Professor of Cognitive Science, Psychiatry, and Radiology, and Director, Center for Human Development at the University of California, San Diego. For over 30 years, she has studied the human brain using noninvasive imaging. This work has focused on brain development and aging, neurodevelopmental disorders, neuropsychiatric and substance use disorders, and neurodegenerative disorders. For the last decade her central research interest has been the developing human mind and brain, with a focus on the dynamic neurodevelopmental processes that give rise to human individuality—and on how these processes are affected by experience, substance exposure, genetic variation, and other factors. She is Co-Director of the Coordinating Center for the ABCD Study. She has served on the National Advisory Council on Drug Abuse and the Council of Councils of the National Institutes of Health, and currently serves on the scientific advisory boards of several research organizations in the United States and Europe.