Photo of Joel T. Nigg, Ph.D.

Joel T. Nigg Ph.D.

  • (503) 494-6176
    • Professor of Psychiatry, Division of Clinical Psychology School of Medicine
    • Director, Division of Psychology
    • Behavioral Neuroscience Graduate Program School of Medicine

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. Niggs directs the OHSU ADHD and Attention Program where they conduct extensive research to discover the causes of ADHD.

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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  • 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


  • "Individual differences in functional brain connectivity predict temporal discounting preference in the transition to adolescence." Developmental Cognitive Neuroscience In: , Vol. 34, 01.11.2018, p. 101-113.
  • "Sleep and behavioral control in earlier life predicted resilience in young adulthood : A prospective study of children of alcoholics and controls." Addictive Behaviors In: , Vol. 82, 01.07.2018, p. 65-71.
  • "Toward an emerging paradigm for understanding attention-deficit/hyperactivity disorder and other neurodevelopmental, mental, and behavioral disorders : Environmental risks and epigenetic associations." JAMA Pediatrics In: , Vol. 172, No. 7, 01.07.2018, p. 619-621.
  • "Mapping cortical brain asymmetry in 17,141 healthy individuals worldwide via the ENIGMA consortium." Proceedings of the National Academy of Sciences of the United States of America  In: , Vol. 115, No. 22, 29.05.2018, p. E5154-E5163.
  • "Subtyping cognitive profiles in Autism Spectrum Disorder using a Functional Random Forest algorithm." NeuroImage In: , Vol. 172, 15.05.2018, p. 674-688.
  • "Notice of retraction and Replacement. Karalunas et al. Subtyping attention-deficit/hyperactivity disorder using temperament dimensions : Toward biologically based nosologic criteria. JAMA P sychiatry. 2014; 71(9):1015-1024." JAMA Psychiatry In: , Vol. 75, No. 4, 01.04.2018, p. 408-409.
  • "Correction to : Variation in Parasympathetic Dysregulation Moderates Short-Term Memory Problems in Childhood Attention-Deficit/Hyperactivity Disorder." Journal of Abnormal Child Psychology In: , 03.03.2018, p. 1-3.
  • "Working Memory and Vigilance as Multivariate Endophenotypes Related to Common Genetic Risk for Attention-Deficit/Hyperactivity Disorder." Journal of the American Academy of Child and Adolescent Psychiatry  In: , Vol. 57, No. 3, 01.03.2018, p. 175-182.
  • "Overlapping and Distinct Cognitive Impairments in Attention-Deficit/Hyperactivity and Autism Spectrum Disorder without Intellectual Disability." Journal of Abnormal Child Psychology In: , 15.02.2018, p. 1-12.
  • "Correction to : Emotion Regulation via the Autonomic Nervous System in Children with Attention-Deficit/Hyperactivity Disorder (ADHD)." Journal of Abnormal Child Psychology In: , 26.01.2018, p. 1-3.
  • "Evaluation of dietary intake in children and college students with and without attention-deficit/hyperactivity disorder." Nutritional Neuroscience In: , 25.01.2018, p. 1-14.
  • "ADHD and early experience : Revisiting the case of low birth weight." Pediatrics  In: , Vol. 141, No. 1, e20173488, 01.01.2018.
  • "Maternal prenatal depression predicts infant negative affect via maternal inflammatory cytokine levels." Brain, Behavior, and Immunity In: , 01.01.2018.
  • "Working Memory Mediates Increased Negative Affect and Suicidal Ideation in Childhood Attention-Deficit/Hyperactivity Disorder." Journal of Psychopathology and Behavioral Assessment In: , 13.11.2017, p. 1-14.
  • "Is the Association of ADHD with Socio-Economic Disadvantage Explained by Child Comorbid Externalizing Problems or Parent ADHD?" Journal of Abnormal Child Psychology In: , 11.11.2017, p. 1-13.
  • "Real-time motion analytics during brain MRI improve data quality and reduce costs." NeuroImage In: , Vol. 161, 01.11.2017, p. 80-93.
  • "Concurrent and developmental correlates of psychopathic traits using a triarchic psychopathy model approach." Journal of Abnormal Psychology In: , Vol. 126, No. 7, 01.10.2017, p. 859-876.
  • "Network structure among brain systems in adult ADHD is uniquely modified by stimulant administration." Cerebral Cortex In: , Vol. 27, No. 8, 01.08.2017, p. 3970-3979.
  • "Heterogeneity in development of aspects of working memory predicts longitudinal attention deficit hyperactivity disorder symptom change." Journal of Abnormal Psychology In: , Vol. 126, No. 6, 01.08.2017, p. 774-792.
  • "Psychometrically Informed Approach to Integration of Multiple Informant Ratings in Adult ADHD in a Community-Recruited Sample." Assessment  In: , Vol. 24, No. 3, 01.04.2017, p. 279-289.
  • "Future Directions for Work on Refinement of ADHD Assessment in Young Adults : Response to Sibley, Coxe, and Molina." Assessment In: , Vol. 24, No. 3, 01.04.2017, p. 297-299.
  • "Enhancing studies of the connectome in autism using the autism brain imaging data exchange II." Scientific data In: , Vol. 4, 170010, 14.03.2017.
  • "Maternal prepregnancy body mass index and offspring attention-deficit/hyperactivity disorder : a quasi-experimental sibling-comparison, population-based design." Journal of Child Psychology and Psychiatry and Allied Disciplines In: , Vol. 58, No. 3, 01.03.2017, p. 240-247.
  • "Sex moderates the impact of birth weight on child externalizing psychopathology." Journal of Abnormal Psychology In: , Vol. 126, No. 2, 01.02.2017, p. 244-256.
  • "Emotion Dysregulation Across Emotion Systems in Attention Deficit/Hyperactivity Disorder." Journal of Clinical Child and Adolescent Psychology In: , 20.01.2017, p. 1-13.
  • "Specificity of executive functioning and processing speed problems in common psychopathology." Neuropsychology In: , 02.01.2017.
  • "Sequencing of sporadic Attention-Deficit Hyperactivity Disorder (ADHD) identifies novel and potentially pathogenic de novo variants and excludes overlap with genes associated with autism spectrum disorder." American Journal of Medical Genetics, Part B: Neuropsychiatric Genetics In: , 2017.
  • "Are there executive dysfunction subtypes within ADHD?" Journal of Attention Disorders In: , Vol. 21, No. 4, 2017, p. 284-293.
  • "School-based mindfulness intervention for stress reduction in adolescents : Design and methodology of an open-label, parallel group, randomized controlled trial." Contemporary Clinical Trials Communications  In: , Vol. 4, 15.12.2016, p. 99-104.
  • "A Network Analysis of Developmental Change in ADHD Symptom Structure From Preschool to Adulthood." Clinical Psychological Science In: , Vol. 4, No. 6, 01.11.2016, p. 988-1001.

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