Exercise impact on sustained attention of ADHD children, methylphenidate effects

José A. Medina1, Turibio L. B. Netto1, Mauro Muszkat2, Afonso C. Medina3, Denise Botter4, Rogério Orbetelli1, Luzia F. C. Scaramuzza2, Elaine G. Sinnes2, Márcio Vilela5, Mônica C. Miranda2
1Medicine Centre of Physical Activity and Sport (CEMAFE), Federal University of São Paulo, São Paulo, Brazil
2Child’s Neuropsychological Attendance Center (NANI), Federal University of São Paulo, São Paulo, Brazil
3Department of Cardiology, Engineer School, University of São Paulo, São Paulo, Brazil
4Department of Cardiology, Intitute of Math, University of São Paulo, São Paulo, Brazil
5Department of Cardiology, Physical School, Federal University of São Paulo, São Paulo, Brazil

Tóm tắt

Attention deficit hyperactivity disorder (ADHD) is related to a deficiency of central catecholamines (CA) in cognitive, biochemical, and physical tests, and pharmaceutical intervention may have no effect if it is not accompanied by changes in the environment. The objective of our study was to test the hypothesis that central CA are responsible for the increase in speed reaction seen after physical activity (PA) and to measure the impact of high intensity PA on the sustained attention of 25 children diagnosed with ADHD consistent with the Disease Statistical Mental-IV (DSM-IV) criteria. It is possible that practicing sports assists in the management of the disorder. The children were divided between users (US) and non-users (NUS) of methylphenidate (MTP), and the groups were compared to evaluate the effect of the drug on cognition after PA. Post-exercise performance on Conner’s Continuous Performance Test-II (CPT) was not affected by MTP, we observed significant improvements in response time, and we saw normalization in the impulsivity and vigilance measures. These results suggest that the improvements in cognition after physical effort are not CA dependent. Additionally, our results suggest that children’s attention deficits can be minimized through PA irrespective of treatment with MTP. Additional studies are necessary to confirm that exercise mitigates the harmful symptoms of ADHD.

Tài liệu tham khảo

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