A preliminary study on the effect of methylphenidate on motor performance in children with comorbid DCD and ADHD |
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| Authors: | Orit Bart Tamar Podoly Yair Bar-Haim |
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| Institution: | 1. Department of Occupational Therapy, Tel Aviv University, Israel;2. The Adler Center for Child Development and Psychopathology, Department of Psychology, Tel-Aviv University, Israel;1. Department of Family Medicine, McMaster University, Hamilton, ON, Canada;2. Department of Psychiatry & Behavioural Neurosicences, McMaster University, Hamilton, ON, Canada;3. Department of Kinesiology, McMaster University, Hamilton, ON, Canada;4. School of Psychology and Speech Pathology, Curtin Health Innovation Research Institute (CHIRI), Curtin University, Perth, Western Australia, Australia;1. Department of Pediatrics, University of Calgary, Calgary, Alberta, Canada;2. Hotchkiss Brain Institute, Calgary, Alberta, Canada;3. Alberta Children''s Hospital Research Institute for Child and Maternal Health, University of Calgary, Calgary, Alberta, Canada;4. Behavioral Research Unit, Alberta Children''s Hospital, Calgary, Alberta, Canada;5. Department of Psychiatry, University of Calgary, Calgary, Alberta, Canada;6. The Mathison Center for Mental Health Research and Education, Calgary, Alberta, Canada;7. Department of Radiology, University of Calgary, Calgary, Alberta, Canada;8. Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada;1. Department of Kinesiology, University of Waterloo, 200 University Avenue West, Waterloo, ON, Canada N2L 3G1;2. Department of Kinesiology & Physical Education, Wilfrid Laurier University, 75 University Avenue West, Waterloo, ON, Canada N2L 3C5;3. Faculty of Physical Education and Sport, Charles University, José Martího 31, 6-Veleslavín, Praha 162 52, Czech Republic;1. Laboratory of Motor Behaviour, School of Physical Education and Sport, University of Sao Paulo, Av. Prof. Melo Morais, 65, Cidade Universitaria, 05508-030 Sao Paulo, SP, Brazil;2. School of Psychology and Speech Pathology, Curtin University, GPO Box U1987, WA 6845, Australia;3. Department of Physical Therapy, Communication Science & Disorders and Occupational Therapy, Faculty of Medicine, University of Sao Paulo, Rua Cipotânea, 51, Cidade Universitaria, 05360-000 Sao Paulo, Brazil;4. Child Institute, Faculty of Medicine, University of Sao Paulo, Av. Dr. Enéas de Carvalho Aguiar, 647, Jardim Paulista, 05403-000 Sao Paulo, Brazil |
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| Abstract: | Attention Deficit Hyperactive Disorder (ADHD) and Developmental Coordination Disorder (DCD) are two developmental disorders with considerable comorbidity. The impact of Methylphenidate (MPH) on ADHD symptoms is well documented. However, the effects of MPH on motor coordination are less studied. We assessed the influence of MPH on motor performance of children with comorbid DCD and ADHD. Participants were 18 children (13 boys, mean age 8.3 years) diagnosed with comorbid DCD and ADHD. A structured clinical interview (K-SADS-PL) was used to determine psychopathology and the Movement Assessment Battery for Children–Checklist were used to determine criterion for motor deficits. The Movement Assessment Battery for Children (M-ABC) was administrated to all participants once under the influence of MPH and once under a placebo pill condition. The motor tests were administered on two separate days in a double-blinded design. Participants’ motor performance with MPH was significantly superior to their performance in the placebo condition. Significant improvement was observed in all the M-ABC sub-tasks except for static balance performance. The findings suggest that MPH improves motor coordination in children with comorbid DCD and ADHD but clinically significant improvement was found in only 33% of the children. |
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