Joel Thomas Nigg is an American clinical psychologist known for his research on attention-deficit/hyperactivity disorder (ADHD).
He is Professor of Psychiatry, Pediatrics, and Behavioral Neuroscience at the Oregon Health & Science University (OHSU), where he is also director of the Division of Psychology and of the ADHD program.
[1][2] Nigg grew up in Dubuque, Iowa.
After receiving his Master of Social Work degree from the University of Michigan, he developed a growing interest in mental disorders in children.
This biography of an American psychologist is a stub.