Joel T. Nigg Ph.D.

Photo of Joel T. Nigg, Ph.D.
Faculty profile

Professor of Psychiatry, Division of Clinical Psychology School of Medicine

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  • Pediatric Psychology
  • Psychiatry
  • Psychology

Special focus on

  • Mental Health
  • Neuropsychology
  • Psychiatry (Attention Deficit/Hyperactivity Disorder/ADHD)
  • Psychology (Pediatric)


  • M.S.W., The University of Michigan, Ann Arbor Michigan 1985
  • A.B., Harvard University, Cambridge Massachusetts 1996
  • Ph.D., University of California, Berkeley California 1996


Dr. Nigg specializes in diagnostic assessment and treatment planning for children with attention and learning disorders. He is a leading expert on ADHD/ADD, and his extensive and ongoing original scientific research in this area helps inform his consultations to families and other clinicians.

Dr. Nigg directs the Center for ADHD Research at OHSU. The center’s goal is to understand different causes and influences for ADHD, find ways to detect it better and earlier, and then develop more effective treatments.

Dr. Nigg is the author of two books on ADHD. His most recent book was written specifically for parents and families struggling with ADHD. It is called “Getting Ahead of ADHD”

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  • English