Mechanisms of deficit of visuospatial attention shift in children with developmental coordination disorder: A neurophysiological measure of the endogenous Posner paradigm |
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| Institution: | 1. Institute of Physical Education, Health and Leisure Studies, National Cheng Kung University, Taiwan;2. Department of Physical Education, National Kaohsiung Normal University, Taiwan;3. Department of Physical Therapy and Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University, Taiwan;1. Department of Electronic Engineering, University of Rome “Tor Vergata”, 00133 Rome, Italy;2. Department of Pediatric Psychiatry, University of Rome “Tor Vergata”, 00133 Rome, Italy;1. Department of Kinesiology, National Tsing Hua University, Hsinchu, Taiwan;2. Research Center for Education and Mind Sciences, National Tsing Hua University, Hsinchu, Taiwan;3. Institutes of Physical Education, Health and Leisure Studies, National Cheng Kung University, Tainan, Taiwan;4. Department of Physical Education, National Kaohsiung Normal University, Kaohsiung, Taiwan;1. Laboratory of Neuromechanics, Department of Physical Education and Sports Science, Aristotle University of Thessaloniki, Serres, Greece;2. Laboratory of Developmental Medicine and Special Education, Department of Physical Education and Sports Science, Aristotle University of Thessaloniki, Greece;1. Department of Psychology, Center for Interdisciplinary Brain Research, University of Jyväskylä, Mattilanniemi 6, FI-40014 Jyväskylä, Finland;2. LIKES Research Center for Physical Activity and Health, Jyväskylä, Rautpohjankatu 8, FIN-40700 Jyväskylä, Finland;3. Department of Psychology, University of Jyväskylä, Mattilanniemi 6, FI-40014 Jyväskylä, Finland |
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| Abstract: | The purpose of this study was to investigate and compare the mechanisms of brain activity, as revealed by a combination of the visuospatial attention shifting paradigm and event-related potentials (ERP) in children with developmental coordination disorder (DCD) and typically developing children. Twenty-eight DCD children and 26 typically developing children were recorded with regard to their behavioral performance and ERP measures during a variant of the endogenous Posner paradigm, in which they should react to visual targets preceded by spatial cues or presented uncued. Children with DCD showed longer reaction time and a deficit in inhibitory response capacity when compared to typically developing children. The electrophysiological characteristics also showed distinct modulatory effects upon attentional orienting, anticipatory mechanisms, and cognitive-to-motor transfer in children with DCD: longer cue-P3 and target-N1 latency, smaller target-P3 amplitude, an elongated interval between N2 and the motor response (N2-RT), and small areas on contingent negative variation (CNV). The combined analysis of behavioral performance and ERP data suggested that children with DCD had deficits of slower target identification (N1), less ability in interhemispheric (P3) and cognitive-to-motor transfer speed (N2-RT), as well as a less mature anticipatory and executive process (CNV). |
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