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Emulation and Mimicry in School Students with Typical Development and with High Functioning Autism / Luis JIMENEZ in Journal of Autism and Developmental Disorders, 44-7 (July 2014)
[article]
Titre : Emulation and Mimicry in School Students with Typical Development and with High Functioning Autism Type de document : Texte imprimé et/ou numérique Auteurs : Luis JIMENEZ, Auteur ; María José LORDA, Auteur ; Cástor MENDEZ, Auteur Article en page(s) : p.1597-1608 Langues : Anglais (eng) Mots-clés : Imitation Mimicry Emulation Automatic imitation Overimitation Index. décimale : PER Périodiques Résumé : Two samples of participants with typical development (TD) and high functioning autism performed an imitation task where the goal was of high or low salience, and where the modeled action complied with or was contrary to the end-state comfort (ESC) effect. Imitation was affected by the ESC effect in both groups, and participants with autism reproduced high salient goals as frequently as did participants with TD, but they reproduced less of the low salient goals. Participants with autism showed a reduced tendency to reproduce those actions which were relatively inefficient to reach the goals. The results are discussed in terms of either a relative imbalance between emulation and mimicry in autism, or a reduced tendency to overimitate. En ligne : http://dx.doi.org/10.1007/s10803-013-2027-0 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=236
in Journal of Autism and Developmental Disorders > 44-7 (July 2014) . - p.1597-1608[article] Emulation and Mimicry in School Students with Typical Development and with High Functioning Autism [Texte imprimé et/ou numérique] / Luis JIMENEZ, Auteur ; María José LORDA, Auteur ; Cástor MENDEZ, Auteur . - p.1597-1608.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 44-7 (July 2014) . - p.1597-1608
Mots-clés : Imitation Mimicry Emulation Automatic imitation Overimitation Index. décimale : PER Périodiques Résumé : Two samples of participants with typical development (TD) and high functioning autism performed an imitation task where the goal was of high or low salience, and where the modeled action complied with or was contrary to the end-state comfort (ESC) effect. Imitation was affected by the ESC effect in both groups, and participants with autism reproduced high salient goals as frequently as did participants with TD, but they reproduced less of the low salient goals. Participants with autism showed a reduced tendency to reproduce those actions which were relatively inefficient to reach the goals. The results are discussed in terms of either a relative imbalance between emulation and mimicry in autism, or a reduced tendency to overimitate. En ligne : http://dx.doi.org/10.1007/s10803-013-2027-0 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=236 A Meta-Analysis of Imitation Abilities in Individuals With Autism Spectrum Disorders / Laura A. EDWARDS in Autism Research, 7-3 (June 2014)
[article]
Titre : A Meta-Analysis of Imitation Abilities in Individuals With Autism Spectrum Disorders Type de document : Texte imprimé et/ou numérique Auteurs : Laura A. EDWARDS, Auteur Article en page(s) : p.363-380 Langues : Anglais (eng) Mots-clés : autism imitation review meta-analysis emulation Index. décimale : PER Périodiques Résumé : Although imitation impairments are often reported in individuals with autism spectrum disorders (ASD), previous work has not yet determined whether these impairments are significant, specific to ASD, and present across the entire spectrum. This report of 53 studies on imitation in ASD seeks to determine whether individuals with ASD show significant imitation deficits, the magnitude of these deficits, and whether they are specific to ASD. Using standard meta-analytic techniques in a random-effects model, the data reviewed suggest that individuals with ASD show deficits in imitation, performing on average 0.81 SDs below individuals without ASD on imitation tasks. This deficit was specific to the condition of having ASD. Moderator analyses revealed that the average Autism Diagnostic Observation Schedule (ADOS) scores of groups of ASD participants were significantly and strongly negatively associated with the imitation abilities of these subjects, but average participant IQ was not associated with imitation abilities. Study setting, novelty of actions, format of imitation tasks (live vs. not), number of actions to imitate, or verbal prompts were not found to significantly affect the sizes of the imitation differences between individuals with and without ASD. The manner in which imitation was operationalized, however, had significant effects on whether imitation deficits were found between individuals with and without ASD. In tests that measured imitation of both form and end points, participants with ASD showed significant deficits compared with those without ASD; on tests of end point emulation only, individuals with ASD showed no deficits. Autism Res 2014, 7: 363–380. © 2014 International Society for Autism Research, Wiley Periodicals, Inc. En ligne : http://dx.doi.org/10.1002/aur.1379 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=235
in Autism Research > 7-3 (June 2014) . - p.363-380[article] A Meta-Analysis of Imitation Abilities in Individuals With Autism Spectrum Disorders [Texte imprimé et/ou numérique] / Laura A. EDWARDS, Auteur . - p.363-380.
Langues : Anglais (eng)
in Autism Research > 7-3 (June 2014) . - p.363-380
Mots-clés : autism imitation review meta-analysis emulation Index. décimale : PER Périodiques Résumé : Although imitation impairments are often reported in individuals with autism spectrum disorders (ASD), previous work has not yet determined whether these impairments are significant, specific to ASD, and present across the entire spectrum. This report of 53 studies on imitation in ASD seeks to determine whether individuals with ASD show significant imitation deficits, the magnitude of these deficits, and whether they are specific to ASD. Using standard meta-analytic techniques in a random-effects model, the data reviewed suggest that individuals with ASD show deficits in imitation, performing on average 0.81 SDs below individuals without ASD on imitation tasks. This deficit was specific to the condition of having ASD. Moderator analyses revealed that the average Autism Diagnostic Observation Schedule (ADOS) scores of groups of ASD participants were significantly and strongly negatively associated with the imitation abilities of these subjects, but average participant IQ was not associated with imitation abilities. Study setting, novelty of actions, format of imitation tasks (live vs. not), number of actions to imitate, or verbal prompts were not found to significantly affect the sizes of the imitation differences between individuals with and without ASD. The manner in which imitation was operationalized, however, had significant effects on whether imitation deficits were found between individuals with and without ASD. In tests that measured imitation of both form and end points, participants with ASD showed significant deficits compared with those without ASD; on tests of end point emulation only, individuals with ASD showed no deficits. Autism Res 2014, 7: 363–380. © 2014 International Society for Autism Research, Wiley Periodicals, Inc. En ligne : http://dx.doi.org/10.1002/aur.1379 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=235 Do Children With Autism Re-Enact Object Movements Rather Than Imitate Demonstrator Actions? / Deborah M. CUSTANCE in Autism Research, 7-1 (February 2014)
[article]
Titre : Do Children With Autism Re-Enact Object Movements Rather Than Imitate Demonstrator Actions? Type de document : Texte imprimé et/ou numérique Auteurs : Deborah M. CUSTANCE, Auteur ; Jennifer L. MAYER, Auteur ; Emmelianna KUMAR, Auteur ; Elisabeth HILL, Auteur ; Pamela HEATON, Auteur Article en page(s) : p.28-39 Langues : Anglais (eng) Mots-clés : autism imitation emulation transitive Index. décimale : PER Périodiques Résumé : It has been suggested that autism-specific imitative deficits may be reduced or even spared in object-related activities. However, most previous research has not sufficiently distinguished object movement reenactment (learning about the ways in which object move) from imitation (learning about the topography of demonstrated actions). Twenty children with autism (CWA) and 20 typically developing children (TDC) were presented with puzzle boxes containing prizes. Test objects and experimental conditions were designed to isolate object- and action-related aspects of demonstrations. There were four types of video demonstrations: (a) a full demonstration by an adult; (b) a ghost demonstration with object movements alone; (c) mimed solutions demonstrated adjacent to the objects; and (d) random actions performed on the surface of the objects. There were no significant between-group differences in the degree to which CWA and TDC matched the full demonstrations, the actual demonstrations or in their times to first solution in any of the conditions. Although there was no clear imitative deficit in the CWA, regression analyses were conducted to explore in more detail whether diagnosis, verbal intelligence quotient (VIQ), nonverbal IQ NVIQ, age or motor coordination predicted performance. The results are discussed in relation to the use of extrinsic vs. intrinsic rewards and the interplay between motor coordination and the relative rigidity vs. pliability of objects. En ligne : http://dx.doi.org/10.1002/aur.1328 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=227
in Autism Research > 7-1 (February 2014) . - p.28-39[article] Do Children With Autism Re-Enact Object Movements Rather Than Imitate Demonstrator Actions? [Texte imprimé et/ou numérique] / Deborah M. CUSTANCE, Auteur ; Jennifer L. MAYER, Auteur ; Emmelianna KUMAR, Auteur ; Elisabeth HILL, Auteur ; Pamela HEATON, Auteur . - p.28-39.
Langues : Anglais (eng)
in Autism Research > 7-1 (February 2014) . - p.28-39
Mots-clés : autism imitation emulation transitive Index. décimale : PER Périodiques Résumé : It has been suggested that autism-specific imitative deficits may be reduced or even spared in object-related activities. However, most previous research has not sufficiently distinguished object movement reenactment (learning about the ways in which object move) from imitation (learning about the topography of demonstrated actions). Twenty children with autism (CWA) and 20 typically developing children (TDC) were presented with puzzle boxes containing prizes. Test objects and experimental conditions were designed to isolate object- and action-related aspects of demonstrations. There were four types of video demonstrations: (a) a full demonstration by an adult; (b) a ghost demonstration with object movements alone; (c) mimed solutions demonstrated adjacent to the objects; and (d) random actions performed on the surface of the objects. There were no significant between-group differences in the degree to which CWA and TDC matched the full demonstrations, the actual demonstrations or in their times to first solution in any of the conditions. Although there was no clear imitative deficit in the CWA, regression analyses were conducted to explore in more detail whether diagnosis, verbal intelligence quotient (VIQ), nonverbal IQ NVIQ, age or motor coordination predicted performance. The results are discussed in relation to the use of extrinsic vs. intrinsic rewards and the interplay between motor coordination and the relative rigidity vs. pliability of objects. En ligne : http://dx.doi.org/10.1002/aur.1328 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=227 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