Increased visual bias in children with developmental coordination disorder: Evidence from a visual-tactile temporal order judgment task |
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| Affiliation: | 1. Department of Rehabilitation Sciences and Physiotherapy, Ghent University, Ghent, Belgium;2. Department of Experimental Psychology, Ghent University, Ghent, Belgium;3. Image Sciences Institute, University Medical Center Utrecht, Utrecht, The Netherlands;4. Department of Movement and Sports Sciences, Ghent University, Ghent, Belgium;1. Media Performance Group, Simula Research Laboratory, P.O. Box 134, 1325 Lysaker, Norway;2. Department of Psychology, University of Oslo, P.O. Box 1094 Blindern, 0317 Oslo, Norway;3. Department of Psychology, Norwegian University of Science and Technology, NTNU, 7491 Trondheim, Norway;4. Department of Informatics, University of Oslo, P.O. Box 1080 Blindern, 0316 Oslo, Norway;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. Neuroscience Graduate Program, Vanderbilt University Medical School, Vanderbilt University, Nashville, TN 37235, USA;2. Vanderbilt Brain Institute, Vanderbilt University Medical School, Vanderbilt University, Nashville, TN 37235, USA;3. Department of Hearing and Speech Sciences, Vanderbilt University Medical Center, Nashville, TN 37235, USA;4. Department of Psychology, Vanderbilt University, Nashville, TN 37235, USA;5. Department of Psychiatry, Vanderbilt University, Nashville, TN 37235, USA;1. Department of Physical Therapy and Graduate Institute of Rehabilitation Science, College of Medicine, Chang Gung University, Tao-Yuan 333, Taiwan;2. Department of Adapted Physical Education, National Taiwan Sport University, 250 Wen-Hua 1st Road, Kwei-Shan, Tao-Yuan 333, Taiwan;3. Graduate Institute of Early Intervention, College of Medicine, Chang Gung University, 259 Wen-Hua 1st Road, Kwei-Shan, Tao-Yuan 333, Taiwan;4. Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, Tao-Yuan, Taiwan;5. Department of Industrial Design, College of Management, Chang Gung University, 259 Wenhua 1st Road, Guishan, Tao-Yuan 33302, Taiwan |
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| Abstract: | BackgroundPrevious studies have suggested that children with developmental coordination disorder (DCD) rely heavily on vision to perform movements, which may contribute to their clumsy movements. However, few studies have objectively and quantitatively investigated the perceptual biases of children with DCD.MethodsA visual-tactile temporal order judgment (TOJ) task was used to measure and compare the perceptual biases of 19 children with DCD and 19 age- and sex-matched typically developing children. The point of subjective equality, which demonstrates when “visual first” and “tactile first” judgment probabilities are equal (50%), obtained by analyzing the results of the visual-tactile TOJ task, was used as an indicator of perceptual biases. Further, variables (age and manual dexterity in all participants; motor function, autism spectrum disorder and attention-deficit hyperactivity disorder traits, and depressive symptoms in children with DCD) associated with perceptual biases were examined with correlation analysis.ResultsChildren with DCD had significantly stronger visual bias than typically developing children. Overall correlation analysis showed that increased visual bias was significantly correlated with poor manual dexterity.ConclusionChildren with DCD had a strong visual bias, which was associated with poor manual dexterity. |
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