| Statistically characterizing intra- and inter-individual variability in children with Developmental Coordination Disorder. | |
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MedLine Citation:
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PMID: 21277739 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Previous research investigating children with Developmental Coordination Disorder (DCD) has consistently reported increased intra- and inter-individual variability during motor skill performance. Statistically characterizing this variability is not only critical for the analysis and interpretation of behavioral data, but also may facilitate our understanding of the processes underlying DCD. Thus, the primary purpose of this research was to demonstrate the utility of a flexible statistical technique, a random coefficient model (RCM), that characterizes the increased intra- and inter-individual variability in children with and without DCD. We analyzed data from a sensorimotor adaptation task during which participants executed discrete aiming movements under conditions of rotated visual feedback. To highlight the advantages of this statistical approach, we contrasted the results from the RCM with those from a traditionally employed general linear model (GLM). The RCM revealed differences between the two groups of children that the GLM did not detect; and, characterized trajectories of change for each individual. The RCM provides researchers an opportunity to probe behavioral deficits at the individual level and may provide new insights into the behavioral heterogeneity in children with DCD. |
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Authors:
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Bradley R King; Jeffrey R Harring; Marcio A Oliveira; Jane E Clark |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural Date: 2011-01-31 |
Journal Detail:
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Title: Research in developmental disabilities Volume: 32 ISSN: 1873-3379 ISO Abbreviation: Res Dev Disabil Publication Date: 2011 Jul-Aug |
Date Detail:
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Created Date: 2011-06-06 Completed Date: 2011-10-27 Revised Date: 2013-05-26 |
Medline Journal Info:
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Nlm Unique ID: 8709782 Medline TA: Res Dev Disabil Country: United States |
Other Details:
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Languages: eng Pagination: 1388-98 Citation Subset: IM |
Copyright Information:
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Copyright © 2011 Elsevier Ltd. All rights reserved. |
Affiliation:
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Cognitive Motor Neuroscience Laboratory, Department of Kinesiology, University of Maryland, College Park, MD, USA. bking7@umd.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Child Child, Preschool Female Humans Male Motor Skills / physiology Motor Skills Disorders / diagnosis* Psychomotor Performance Reaction Time |
| Grant Support | |
ID/Acronym/Agency:
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R01 HD042527-05/HD/NICHD NIH HHS; R01HD42527/HD/NICHD NIH HHS |
| Comments/Corrections | |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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