EXPERT: Gregory W. Mattingly, M.D.
DATE & TIME: Wednesday, April 8, 2026 @ 1pm EDT
(12pm CDT; 11am MDT; 10am PDT) | Find it in your time zone >
WEBINAR SPONSOR: Inflow
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ADHD is not a disorder of willpower; it is a condition of dysregulation. Decades of neurobiological research demonstrate that altered signaling in key neurotransmitter systems — particularly dopamine, norepinephrine, and serotonin — contribute to the core features of ADHD. These chemical messengers in the brain shape how we focus, prioritize, feel motivated, regulate emotions, and experience reward.
In this engaging and scientifically grounded webinar, you will learn:
- About the neurochemical basis for ADHD and understand what is beneath the surface of symptoms
- How ADHD brains differ structurally and functionally from neurotypical brains
- How these neural systems interact dynamically, and how neurotransmitter balance influences real-world behavior
- How excess hormones and neurotransmitters can lead to over-arousal, anxiety, and irritability while insufficient signaling affects executive function, procrastination and motivation
- How serotonin modulates emotional regulation, impulsivity, and sleep stability
- About evidence-based interventions and how they restore brain function
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NOTE: ADDitude offers an optional certificate of attendance to webinar participants, but does not offer CEU credits. The cost of the certificate of attendance option is $10. If interested, register for the webinar and you’ll receive instructions after it ends. The certificate link will also be on the webinar replay page after the live webinar.
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Gregory W. Mattingly, M.D.
Gregory W. Mattingly, M.D., has been a psychopharmacology Instructor for more than 20 years at The Washington University School of Medicine in St. Louis, Missouri. Dr. Mattingly has been a principal investigator in more than 500 clinical trials and his research has been published in numerous national and international journals. He is the Past President for the American Professional Society of ADHD and Related Disorders, serves on the Scientific Program Committee for the World Federation for ADHD, and is Co-Chair for the U.S. Psych Congress.
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FROM THIS WEBINAR'S SPONSOR:
ADHD isn’t a lack of effort. It’s rooted in differences in how your brain regulates motivation, reward, attention, and emotions. When dopamine and other key brain chemicals fluctuate, it can affect everything from focus and consistency to mood and impulse control. Inflow gets it. Our science-backed program helps you better understand your ADHD brain and apply practical strategies to improve follow-through, emotional balance, and daily functioning. Take the free ADHD traits quiz to get started.
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ADDitude thanks our sponsors for supporting our webinars. Sponsorship has no influence on speaker selection or webinar content.
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Resources: ADHD & Brain Health
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See all upcoming ADDitude webinars, on-demand replays, and podcast episodes
Listen to ADDitude’s ADHD Experts Podcast wherever you get your podcasts:
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