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Visual Feedback and Target Size Effects on Reach-to-Grasp Tasks in Children with Autism / Hsiu-Ching YANG in Journal of Autism and Developmental Disorders, 44-12 (December 2014)
[article]
Titre : Visual Feedback and Target Size Effects on Reach-to-Grasp Tasks in Children with Autism Type de document : Texte imprimé et/ou numérique Auteurs : Hsiu-Ching YANG, Auteur ; I. Chen LEE, Auteur ; I. Ching LEE, Auteur Article en page(s) : p.3129-3139 Langues : Anglais (eng) Mots-clés : Autism Kinematics Reach to grasp Visual feedback Target size Index. décimale : PER Périodiques Résumé : This study explores the effects of visual condition and target size during four reach-to-grasp tasks between autistic children and healthy controls. Twenty children with autism and 20 healthy controls participated in the study. Qualisys motion capture system and kinematic measures were used to record movement. Autistic group showed significantly longer movement time, larger normalized jerk score, more movement unit than controls, especially in non-visual feedback and small target blocks. Autistic group also showed significantly larger maximal grip aperture and normalized maximal grip aperture in visual feedback condition than controls. Autistic children demonstrate motor coordination problems and also depend on more visual cuing in high accuracy tasks. Autistic children develop other compensatory skills while performing tasks. En ligne : http://dx.doi.org/10.1007/s10803-014-2165-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=243
in Journal of Autism and Developmental Disorders > 44-12 (December 2014) . - p.3129-3139[article] Visual Feedback and Target Size Effects on Reach-to-Grasp Tasks in Children with Autism [Texte imprimé et/ou numérique] / Hsiu-Ching YANG, Auteur ; I. Chen LEE, Auteur ; I. Ching LEE, Auteur . - p.3129-3139.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 44-12 (December 2014) . - p.3129-3139
Mots-clés : Autism Kinematics Reach to grasp Visual feedback Target size Index. décimale : PER Périodiques Résumé : This study explores the effects of visual condition and target size during four reach-to-grasp tasks between autistic children and healthy controls. Twenty children with autism and 20 healthy controls participated in the study. Qualisys motion capture system and kinematic measures were used to record movement. Autistic group showed significantly longer movement time, larger normalized jerk score, more movement unit than controls, especially in non-visual feedback and small target blocks. Autistic group also showed significantly larger maximal grip aperture and normalized maximal grip aperture in visual feedback condition than controls. Autistic children demonstrate motor coordination problems and also depend on more visual cuing in high accuracy tasks. Autistic children develop other compensatory skills while performing tasks. En ligne : http://dx.doi.org/10.1007/s10803-014-2165-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=243 Motor Memory Deficits Contribute to Motor Impairments in Autism Spectrum Disorder / K. A. NEELY in Journal of Autism and Developmental Disorders, 49-7 (July 2019)
[article]
Titre : Motor Memory Deficits Contribute to Motor Impairments in Autism Spectrum Disorder Type de document : Texte imprimé et/ou numérique Auteurs : K. A. NEELY, Auteur ; S. MOHANTY, Auteur ; Lauren M. SCHMITT, Auteur ; Z. WANG, Auteur ; J. A. SWEENEY, Auteur ; M. W. MOSCONI, Auteur Article en page(s) : p.2675-2684 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder Motor Precision grip Visual feedback Working memory Index. décimale : PER Périodiques Résumé : Sensorimotor abnormalities are common in individuals with autism spectrum disorder (ASD); however, the processes underlying these deficits remain unclear. This study examined force production with and without visual feedback to determine if individuals with ASD can utilize internal representations to guide sustained force. Individuals with ASD showed a faster rate of force decay in the absence of visual feedback. Comparison of force output and tests of social and verbal abilities demonstrated a link between motor memory impairment and social and verbal deficits in individuals with ASD. This finding suggests that deficits in storage or retrieval of motor memories contribute to sensorimotor deficits and implicates frontoparietal networks involved in short-term consolidation of action dynamics used to optimize ongoing motor output. En ligne : http://dx.doi.org/10.1007/s10803-016-2806-5 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=401
in Journal of Autism and Developmental Disorders > 49-7 (July 2019) . - p.2675-2684[article] Motor Memory Deficits Contribute to Motor Impairments in Autism Spectrum Disorder [Texte imprimé et/ou numérique] / K. A. NEELY, Auteur ; S. MOHANTY, Auteur ; Lauren M. SCHMITT, Auteur ; Z. WANG, Auteur ; J. A. SWEENEY, Auteur ; M. W. MOSCONI, Auteur . - p.2675-2684.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 49-7 (July 2019) . - p.2675-2684
Mots-clés : Autism spectrum disorder Motor Precision grip Visual feedback Working memory Index. décimale : PER Périodiques Résumé : Sensorimotor abnormalities are common in individuals with autism spectrum disorder (ASD); however, the processes underlying these deficits remain unclear. This study examined force production with and without visual feedback to determine if individuals with ASD can utilize internal representations to guide sustained force. Individuals with ASD showed a faster rate of force decay in the absence of visual feedback. Comparison of force output and tests of social and verbal abilities demonstrated a link between motor memory impairment and social and verbal deficits in individuals with ASD. This finding suggests that deficits in storage or retrieval of motor memories contribute to sensorimotor deficits and implicates frontoparietal networks involved in short-term consolidation of action dynamics used to optimize ongoing motor output. En ligne : http://dx.doi.org/10.1007/s10803-016-2806-5 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=401