Aerobic exercise and attention deficit hyperactivity disorder: brain research
Jae Won Choi1, Doug Hyun Han, Kyung Doo Kang
11Department of Sports, Chung-Ang University, Anseong, REPUBLIC OF KOREA; 2Department of Psychiatry, Chung-Ang University Hospital, Seoul, REPUBLIC OF KOREA; and 3Brain Institute, Department of Psychiatry, University of Utah, Salt Lake City, UT.
Medicine and Science in Sports and Exercise
|May 15, 2014
Summary
Aerobic exercise combined with methylphenidate improved attention deficit hyperactivity disorder (ADHD) symptoms and cognitive function in adolescents. Exercise also modulated brain activity in key regions, enhancing methylphenidate
Area of Science:
- Neuroscience
- Clinical Psychology
- Exercise Physiology
Background:
- Attention deficit hyperactivity disorder (ADHD) is a common neurodevelopmental disorder.
- Methylphenidate is a primary stimulant medication for ADHD.
- Adjuvant therapies are sought to enhance stimulant efficacy and reduce medication dosage.
Purpose of the Study:
- To investigate if aerobic exercise enhances methylphenidate's effects in adolescents with ADHD.
- To assess the impact of exercise on ADHD symptoms, cognitive function, and brain activity.
Main Methods:
- Thirty-five adolescents with ADHD were randomized into two groups: methylphenidate + exercise (sports-ADHD) or methylphenidate + education (edu-ADHD).
- Intervention lasted 6 weeks.
- Evaluations included ADHD rating scales (K-ARS), the Wisconsin Card Sorting Test (WCST), and functional magnetic resonance imaging (fMRI).
Main Results:
- The sports-ADHD group showed significant reductions in K-ARS scores and WCST perseverative errors compared to the edu-ADHD group.
- fMRI revealed increased right frontal lobe activity in the sports-ADHD group.
- Changes in right prefrontal cortex activity correlated negatively with symptom and error reductions.
Conclusions:
- Aerobic exercise potentiates methylphenidate's therapeutic effects in adolescents with ADHD.
- Exercise improves clinical symptoms and cognitive performance, alongside modulating neural activity.
- This suggests exercise is a viable adjunctive therapy for ADHD management.
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