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Grasping Motor Impairments in Autism: Not Action Planning but Movement Execution is Deficient / Astrid M. B. STOIT in Journal of Autism and Developmental Disorders, 43-12 (December 2013)
[article]
Titre : Grasping Motor Impairments in Autism: Not Action Planning but Movement Execution is Deficient Type de document : Texte imprimé et/ou numérique Auteurs : Astrid M. B. STOIT, Auteur ; Hein T. SCHIE, Auteur ; DorineI E. SLAATS-WILLEMSE, Auteur ; Jan K. BUITELAAR, Auteur Article en page(s) : p.2793-2806 Langues : Anglais (eng) Mots-clés : Autism Motor deficit Action chaining Feedforward model Action planning Movement execution Index. décimale : PER Périodiques Résumé : Different views on the origin of deficits in action chaining in autism spectrum disorders (ASD) have been posited, ranging from functional impairments in action planning to internal models supporting motor control. Thirty-one children and adolescents with ASD and twenty-nine matched controls participated in a two-choice reach-to-grasp paradigm wherein participants received cueing information indicating either the object location or the required manner of grasping. A similar advantage for location cueing over grip cueing was found in both groups. Both accuracy and reaction times of the ASD group were indistinguishable from the control group. In contrast, movement times of the ASD group were significantly delayed in comparison with controls. These findings suggest that movement execution rather than action planning is deficient in ASD, and that deficits in action chaining derive from impairments in internal action models supporting action execution. En ligne : http://dx.doi.org/10.1007/s10803-013-1825-8 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=218
in Journal of Autism and Developmental Disorders > 43-12 (December 2013) . - p.2793-2806[article] Grasping Motor Impairments in Autism: Not Action Planning but Movement Execution is Deficient [Texte imprimé et/ou numérique] / Astrid M. B. STOIT, Auteur ; Hein T. SCHIE, Auteur ; DorineI E. SLAATS-WILLEMSE, Auteur ; Jan K. BUITELAAR, Auteur . - p.2793-2806.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 43-12 (December 2013) . - p.2793-2806
Mots-clés : Autism Motor deficit Action chaining Feedforward model Action planning Movement execution Index. décimale : PER Périodiques Résumé : Different views on the origin of deficits in action chaining in autism spectrum disorders (ASD) have been posited, ranging from functional impairments in action planning to internal models supporting motor control. Thirty-one children and adolescents with ASD and twenty-nine matched controls participated in a two-choice reach-to-grasp paradigm wherein participants received cueing information indicating either the object location or the required manner of grasping. A similar advantage for location cueing over grip cueing was found in both groups. Both accuracy and reaction times of the ASD group were indistinguishable from the control group. In contrast, movement times of the ASD group were significantly delayed in comparison with controls. These findings suggest that movement execution rather than action planning is deficient in ASD, and that deficits in action chaining derive from impairments in internal action models supporting action execution. En ligne : http://dx.doi.org/10.1007/s10803-013-1825-8 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=218 Preserved imitation in contrast to limited free application of comfortable hand actions in intellectually able young adults with an autism spectrum disorder / C. BEELEN in Autism, 22-6 (August 2018)
[article]
Titre : Preserved imitation in contrast to limited free application of comfortable hand actions in intellectually able young adults with an autism spectrum disorder Type de document : Texte imprimé et/ou numérique Auteurs : C. BEELEN, Auteur ; K. CUYPERS, Auteur ; L. VAN SCHUERBEECK, Auteur ; Marijke BRAEKEN, Auteur ; V. ROSS, Auteur ; E. JONGEN, Auteur ; R. MEESEN, Auteur ; M. VANVUCHELEN, Auteur Article en page(s) : p.645-653 Langues : Anglais (eng) Mots-clés : action planning autism spectrum disorder emulation end-state comfort principle means-end imitation young adult Index. décimale : PER Périodiques Résumé : Imitation problems are commonly reported in children with an autism spectrum disorder. However, it has not yet been determined whether imitation problems persist into young adulthood. In this study, we investigated imitation skills of 20 intellectually able young adults with autism spectrum disorder relative to 19 age-matched neurotypical adults. For this purpose, we used a bar-transport task, which evokes the application of the end-state comfort principle. Specifically, we examined whether young adults with autism spectrum disorder imitated the means-end structure of a demonstrator's bar-transport action with and without application of the end-state comfort principle (imitation task). In addition, we examined whether participants spontaneously applied the end-state comfort principle during a similar bar-transport task (free execution task). Results revealed that young adults with autism spectrum disorder imitated the means-end structure of observed actions to the same degree as neurotypical adults ( p = 0.428). In contrast, they applied the end-state comfort principle less often during free executed actions ( p = 0.035). Moreover, during these actions, they were slower to place the bar into the penholder ( p = 0.023), which contributed to the reduced efficiency of their performance. Findings suggest that imitation abilities of young adults with autism spectrum disorder are preserved and that observing others' actions might promote more efficient action planning in this population. En ligne : http://dx.doi.org/10.1177/1362361317698454 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=366
in Autism > 22-6 (August 2018) . - p.645-653[article] Preserved imitation in contrast to limited free application of comfortable hand actions in intellectually able young adults with an autism spectrum disorder [Texte imprimé et/ou numérique] / C. BEELEN, Auteur ; K. CUYPERS, Auteur ; L. VAN SCHUERBEECK, Auteur ; Marijke BRAEKEN, Auteur ; V. ROSS, Auteur ; E. JONGEN, Auteur ; R. MEESEN, Auteur ; M. VANVUCHELEN, Auteur . - p.645-653.
Langues : Anglais (eng)
in Autism > 22-6 (August 2018) . - p.645-653
Mots-clés : action planning autism spectrum disorder emulation end-state comfort principle means-end imitation young adult Index. décimale : PER Périodiques Résumé : Imitation problems are commonly reported in children with an autism spectrum disorder. However, it has not yet been determined whether imitation problems persist into young adulthood. In this study, we investigated imitation skills of 20 intellectually able young adults with autism spectrum disorder relative to 19 age-matched neurotypical adults. For this purpose, we used a bar-transport task, which evokes the application of the end-state comfort principle. Specifically, we examined whether young adults with autism spectrum disorder imitated the means-end structure of a demonstrator's bar-transport action with and without application of the end-state comfort principle (imitation task). In addition, we examined whether participants spontaneously applied the end-state comfort principle during a similar bar-transport task (free execution task). Results revealed that young adults with autism spectrum disorder imitated the means-end structure of observed actions to the same degree as neurotypical adults ( p = 0.428). In contrast, they applied the end-state comfort principle less often during free executed actions ( p = 0.035). Moreover, during these actions, they were slower to place the bar into the penholder ( p = 0.023), which contributed to the reduced efficiency of their performance. Findings suggest that imitation abilities of young adults with autism spectrum disorder are preserved and that observing others' actions might promote more efficient action planning in this population. En ligne : http://dx.doi.org/10.1177/1362361317698454 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=366