Adults with probable developmental coordination disorder selectively process early visual,but not tactile information during action preparation. An electrophysiological study |
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| Institution: | 1. Department of Psychology, Goldsmiths, University of London, United Kingdom;2. Sorbonne Université, UPMC, CNRS, Institut des Systémes Intelligents et du Robotique (ISIR), Paris, France;3. School of Psychology and Clinical Language Sciences, University of Reading, United Kingdom;4. School of Biological and Chemical Sciences, Queen Mary, University of London, United Kingdom;1. Department of Physical Education, National Tsing Hua University, Taiwan;2. Research Center for Education and Mind Sciences, National Tsing Hua University, Taiwan;3. Human Sensorimotor Control Laboratory of School of Kinesiology, University of Minnesota, USA;4. Institute of Physical Education, Health & Leisure Studies, National Cheng Kung University, Taiwan;5. Department of Physical Education, National Kaohsiung Normal University, Taiwan;1. Department of Recreational Sport & Health Promotion, National Pingtung University of Science & Technology, Taiwan;2. Institute of Physical Education, Health & Leisure Studies, National Cheng Kung University, Taiwan;1. School of Psychology, AD Building, University of Surrey, Guildford GU2 7XH, United Kingdom;2. Perception and Motion Analysis Lab, Oxford Brookes University, Headington, Oxford OX3 0BP, United Kingdom;1. Behavioural Science Institute, Radboud University Nijmegen, 6500 HE Nijmegen, The Netherlands;2. Department of Health and Rehabilitation Sciences, Faculty of Health Sciences, University of Cape Town, Old Main Building Grote Schuur Hospital, Cape Town, South Africa;3. School of Psychology, Australian Catholic University, Melbourne Campus, VIC 3065, Australia;1. College of Engineering and Science, Victoria University, PO Box 14428, Melbourne 8001, Victoria, Australia;2. College of Sport and Exercise Science & Institute of Sport, Exercise and Active Living, Victoria University, PO Box 14428, Melbourne, Victoria, 8001, Australia;3. Monash Biomedical Imaging, Monash University, Clayton 3800, Victoria, Australia;4. Centre for Disability and Development Research (CeDDR), Australian Catholic University, 115 Victoria Pde, Melbourne, 3450, Victoria, Australia |
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| Abstract: | Developmental coordination disorder (DCD) is a neurodevelopmental condition affecting motor coordination in children and adults. Here, EEG signals elicited by visual and tactile stimuli were recorded while adult participants with and without probable DCD (pDCD) performed a motor task. The task cued reaching movements towards a location in visible peripersonal space as well as an area of unseen personal space. Event-related potentials elicited by visual and tactile stimuli revealed that visual processing was strongly affected by movement preparation in the pDCD group, even more than in controls. However, in contrast to the controls, tactile processing in unseen space was unaffected by movement preparation in the pDCD group. The selective use of sensory information from vision and proprioception is fundamental for the adaptive control of movements, and these findings suggest that this is impaired in DCD. Additionally, the pDCD group showed attenuated motor rhythms (beta: 13–30 Hz) over sensorimotor regions following cues to prepare movements towards unseen personal space. The results reveal that individuals with pDCD exhibit differences in the neural mechanisms of spatial selection and action preparation compared to controls, which may underpin the sustained difficulties they experience. These findings provide new insights into the neural mechanisms potentially disrupted in this highly prevalent disorder. |
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| Keywords: | DCD Somatosensory Motor Beta Body |
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