Shared and differentiated motor skill impairments in children with dyslexia and/or attention deficit disorder: From simple to complex sequential coordination.

Dyslexia and Attention deficit disorder (AD) are prevalent neurodevelopmental conditions in children and adolescents. They have high comorbidity rates and have both been associated with motor difficulties. Little is known, however, about what is shared or differentiated in dyslexia and AD in terms o...

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Main Authors: Marie-Ève Marchand-Krynski, Olivier Morin-Moncet, Anne-Marie Bélanger, Miriam H Beauchamp, Gabriel Leonard
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2017-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC5438138?pdf=render
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author Marie-Ève Marchand-Krynski
Olivier Morin-Moncet
Anne-Marie Bélanger
Miriam H Beauchamp
Gabriel Leonard
author_facet Marie-Ève Marchand-Krynski
Olivier Morin-Moncet
Anne-Marie Bélanger
Miriam H Beauchamp
Gabriel Leonard
author_sort Marie-Ève Marchand-Krynski
collection DOAJ
description Dyslexia and Attention deficit disorder (AD) are prevalent neurodevelopmental conditions in children and adolescents. They have high comorbidity rates and have both been associated with motor difficulties. Little is known, however, about what is shared or differentiated in dyslexia and AD in terms of motor abilities. Even when motor skill problems are identified, few studies have used the same measurement tools, resulting in inconstant findings. The present study assessed increasingly complex gross motor skills in children and adolescents with dyslexia, AD, and with both Dyslexia and AD. Our results suggest normal performance on simple motor-speed tests, whereas all three groups share a common impairment on unimanual and bimanual sequential motor tasks. Children in these groups generally improve with practice to the same level as normal subjects, though they make more errors. In addition, children with AD are the most impaired on complex bimanual out-of-phase movements and with manual dexterity. These latter findings are examined in light of the Multiple Deficit Model.
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spelling doaj.art-1523c5975225455c8d331b3581b4cfbd2022-12-22T01:34:38ZengPublic Library of Science (PLoS)PLoS ONE1932-62032017-01-01125e017749010.1371/journal.pone.0177490Shared and differentiated motor skill impairments in children with dyslexia and/or attention deficit disorder: From simple to complex sequential coordination.Marie-Ève Marchand-KrynskiOlivier Morin-MoncetAnne-Marie BélangerMiriam H BeauchampGabriel LeonardDyslexia and Attention deficit disorder (AD) are prevalent neurodevelopmental conditions in children and adolescents. They have high comorbidity rates and have both been associated with motor difficulties. Little is known, however, about what is shared or differentiated in dyslexia and AD in terms of motor abilities. Even when motor skill problems are identified, few studies have used the same measurement tools, resulting in inconstant findings. The present study assessed increasingly complex gross motor skills in children and adolescents with dyslexia, AD, and with both Dyslexia and AD. Our results suggest normal performance on simple motor-speed tests, whereas all three groups share a common impairment on unimanual and bimanual sequential motor tasks. Children in these groups generally improve with practice to the same level as normal subjects, though they make more errors. In addition, children with AD are the most impaired on complex bimanual out-of-phase movements and with manual dexterity. These latter findings are examined in light of the Multiple Deficit Model.http://europepmc.org/articles/PMC5438138?pdf=render
spellingShingle Marie-Ève Marchand-Krynski
Olivier Morin-Moncet
Anne-Marie Bélanger
Miriam H Beauchamp
Gabriel Leonard
Shared and differentiated motor skill impairments in children with dyslexia and/or attention deficit disorder: From simple to complex sequential coordination.
PLoS ONE
title Shared and differentiated motor skill impairments in children with dyslexia and/or attention deficit disorder: From simple to complex sequential coordination.
title_full Shared and differentiated motor skill impairments in children with dyslexia and/or attention deficit disorder: From simple to complex sequential coordination.
title_fullStr Shared and differentiated motor skill impairments in children with dyslexia and/or attention deficit disorder: From simple to complex sequential coordination.
title_full_unstemmed Shared and differentiated motor skill impairments in children with dyslexia and/or attention deficit disorder: From simple to complex sequential coordination.
title_short Shared and differentiated motor skill impairments in children with dyslexia and/or attention deficit disorder: From simple to complex sequential coordination.
title_sort shared and differentiated motor skill impairments in children with dyslexia and or attention deficit disorder from simple to complex sequential coordination
url http://europepmc.org/articles/PMC5438138?pdf=render
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