Development of multisensory reweighting is impaired for quiet stance control in children with developmental coordination disorder (DCD).

<h4>Background</h4>Developmental Coordination Disorder (DCD) is a leading movement disorder in children that commonly involves poor postural control. Multisensory integration deficit, especially the inability to adaptively reweight to changing sensory conditions, has been proposed as a p...

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Autores principales:	Woei-Nan Bair, Tim Kiemel, John J Jeka, Jane E Clark
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2012
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/78ba77f1cc194cf9a075e9b59db69312
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spelling	oai:doaj.org-article:78ba77f1cc194cf9a075e9b59db693122021-11-18T07:12:01ZDevelopment of multisensory reweighting is impaired for quiet stance control in children with developmental coordination disorder (DCD).1932-620310.1371/journal.pone.0040932https://doaj.org/article/78ba77f1cc194cf9a075e9b59db693122012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22815872/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Background</h4>Developmental Coordination Disorder (DCD) is a leading movement disorder in children that commonly involves poor postural control. Multisensory integration deficit, especially the inability to adaptively reweight to changing sensory conditions, has been proposed as a possible mechanism but with insufficient characterization. Empirical quantification of reweighting significantly advances our understanding of its developmental onset and improves the characterization of its difference in children with DCD compared to their typically developing (TD) peers.<h4>Methodology/principal findings</h4>Twenty children with DCD (6.6 to 11.8 years) were tested with a protocol in which visual scene and touch bar simultaneously oscillateded medio-laterally at different frequencies and various amplitudes. Their data were compared to data on TD children (4.2 to 10.8 years) from a previous study. Gains and phases were calculated for medio-lateral responses of the head and center of mass to both sensory stimuli. Gains and phases were simultaneously fitted by linear functions of age for each amplitude condition, segment, modality and group. Fitted gains and phases at two comparison ages (6.6 and 10.8 years) were tested for reweighting within each group and for group differences. Children with DCD reweight touch and vision at a later age (10.8 years) than their TD peers (4.2 years). Children with DCD demonstrate a weak visual reweighting, no advanced multisensory fusion and phase lags larger than those of TD children in response to both touch and vision.<h4>Conclusions/significance</h4>Two developmental perspectives, postural body scheme and dorsal stream development, are provided to explain the weak vision reweighting. The lack of multisensory fusion supports the notion that optimal multisensory integration is a slow developmental process and is vulnerable in children with DCD.Woei-Nan BairTim KiemelJohn J JekaJane E ClarkPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 7, p e40932 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Woei-Nan Bair Tim Kiemel John J Jeka Jane E Clark Development of multisensory reweighting is impaired for quiet stance control in children with developmental coordination disorder (DCD).
description	<h4>Background</h4>Developmental Coordination Disorder (DCD) is a leading movement disorder in children that commonly involves poor postural control. Multisensory integration deficit, especially the inability to adaptively reweight to changing sensory conditions, has been proposed as a possible mechanism but with insufficient characterization. Empirical quantification of reweighting significantly advances our understanding of its developmental onset and improves the characterization of its difference in children with DCD compared to their typically developing (TD) peers.<h4>Methodology/principal findings</h4>Twenty children with DCD (6.6 to 11.8 years) were tested with a protocol in which visual scene and touch bar simultaneously oscillateded medio-laterally at different frequencies and various amplitudes. Their data were compared to data on TD children (4.2 to 10.8 years) from a previous study. Gains and phases were calculated for medio-lateral responses of the head and center of mass to both sensory stimuli. Gains and phases were simultaneously fitted by linear functions of age for each amplitude condition, segment, modality and group. Fitted gains and phases at two comparison ages (6.6 and 10.8 years) were tested for reweighting within each group and for group differences. Children with DCD reweight touch and vision at a later age (10.8 years) than their TD peers (4.2 years). Children with DCD demonstrate a weak visual reweighting, no advanced multisensory fusion and phase lags larger than those of TD children in response to both touch and vision.<h4>Conclusions/significance</h4>Two developmental perspectives, postural body scheme and dorsal stream development, are provided to explain the weak vision reweighting. The lack of multisensory fusion supports the notion that optimal multisensory integration is a slow developmental process and is vulnerable in children with DCD.
format	article
author	Woei-Nan Bair Tim Kiemel John J Jeka Jane E Clark
author_facet	Woei-Nan Bair Tim Kiemel John J Jeka Jane E Clark
author_sort	Woei-Nan Bair
title	Development of multisensory reweighting is impaired for quiet stance control in children with developmental coordination disorder (DCD).
title_short	Development of multisensory reweighting is impaired for quiet stance control in children with developmental coordination disorder (DCD).
title_full	Development of multisensory reweighting is impaired for quiet stance control in children with developmental coordination disorder (DCD).
title_fullStr	Development of multisensory reweighting is impaired for quiet stance control in children with developmental coordination disorder (DCD).
title_full_unstemmed	Development of multisensory reweighting is impaired for quiet stance control in children with developmental coordination disorder (DCD).
title_sort	development of multisensory reweighting is impaired for quiet stance control in children with developmental coordination disorder (dcd).
publisher	Public Library of Science (PLoS)
publishDate	2012
url	https://doaj.org/article/78ba77f1cc194cf9a075e9b59db69312
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Development of multisensory reweighting is impaired for quiet stance control in children with developmental coordination disorder (DCD).

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