Silhouette of a human head and shoulders.

Joel Nigg

Director, Division of Psychology
Oregon Health and Science University

Dr. Nigg’s research focuses on the underlying mechanisms and causes in attention deficit hyperactivity disorder (ADHD) across the lifespan. The primary focus is on cognitive and neuropsychological mechanisms. However, studies of genetics, family dynamics, personality and temperament, environmental toxins, and neuroimaging of ADHD are also ongoing.

From this contributor

Spectrum

By Joel Nigg

7 February 2012

8 min read

Insights for autism from attention deficit hyperactivity disorder

Autism and attention deficit hyperactivity disorder show genetic and neurobiological overlap, which may provide clues to the origin of both disorders, says Joel Nigg.

Spectrum

Insights for autism from attention deficit hyperactivity disorder

By Joel Nigg

7 February 2012 | 8 min read

Explore more from The Transmitter

Spectrum

By Holly Barker

8 October 2026

6 min read

Stock illustration of strands of DNA with mutations.

Number of autism-linked genes more than triples in new analyses

In addition to a new preprint that expands the list of genes tied to the condition, two related analyses reveal how variants in those genes contribute to genetic susceptibility.

Spectrum

Number of autism-linked genes more than triples in new analyses

In addition to a new preprint that expands the list of genes tied to the condition, two related analyses reveal how variants in those genes contribute to genetic susceptibility.

By Holly Barker

8 October 2026 | 6 min read

Brain Inspired

By Paul Middlebrooks

7 October 2026

By clicking to watch this video, you agree to our privacy policy.

How does a control theorist explain cognition?

Maxim Raginsky draws on control theory, engineering and philosophy to explore what makes biological brains intelligent, what artificial intelligence is missing, and what principles underlie biological autonomy.