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Détail de l'auteur
Auteur Katarina AMENT |
Documents disponibles écrits par cet auteur (2)
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Evidence for Specificity of Motor Impairments in Catching and Balance in Children with Autism / Katarina AMENT in Journal of Autism and Developmental Disorders, 45-3 (March 2015)
[article]
Titre : Evidence for Specificity of Motor Impairments in Catching and Balance in Children with Autism Type de document : Texte imprimé et/ou numérique Auteurs : Katarina AMENT, Auteur ; Amanda MEJIA, Auteur ; Rebecca BUHLMAN, Auteur ; Shannon ERKLIN, Auteur ; Brian S. CAFFO, Auteur ; Stewart MOSTOFSKY, Auteur ; Ericka WODKA, Auteur Article en page(s) : p.742-751 Langues : Anglais (eng) Mots-clés : Autism Attention-deficit/hyperactivity disorder Motor impairment Specificity Index. décimale : PER Périodiques Résumé : To evaluate evidence for motor impairment specificity in autism spectrum disorder (ASD) and attention deficit/hyperactivity disorder (ADHD). Children completed performance-based assessment of motor functioning (Movement Assessment Battery for Children: MABC-2). Logistic regression models were used to predict group membership. In the models comparing typically developing and developmental disability (DD), all three MABC subscale scores were significantly negatively associated with having a DD. In the models comparing ADHD and ASD, catching and static balance items were associated with ASD group membership, with a 1 point decrease in performance increasing odds of ASD by 36 and 39 %, respectively. Impairments in motor skills requiring the coupling of visual and temporal feedback to guide and adjust movement appear specifically deficient in ASD. En ligne : http://dx.doi.org/10.1007/s10803-014-2229-0 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=258
in Journal of Autism and Developmental Disorders > 45-3 (March 2015) . - p.742-751[article] Evidence for Specificity of Motor Impairments in Catching and Balance in Children with Autism [Texte imprimé et/ou numérique] / Katarina AMENT, Auteur ; Amanda MEJIA, Auteur ; Rebecca BUHLMAN, Auteur ; Shannon ERKLIN, Auteur ; Brian S. CAFFO, Auteur ; Stewart MOSTOFSKY, Auteur ; Ericka WODKA, Auteur . - p.742-751.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 45-3 (March 2015) . - p.742-751
Mots-clés : Autism Attention-deficit/hyperactivity disorder Motor impairment Specificity Index. décimale : PER Périodiques Résumé : To evaluate evidence for motor impairment specificity in autism spectrum disorder (ASD) and attention deficit/hyperactivity disorder (ADHD). Children completed performance-based assessment of motor functioning (Movement Assessment Battery for Children: MABC-2). Logistic regression models were used to predict group membership. In the models comparing typically developing and developmental disability (DD), all three MABC subscale scores were significantly negatively associated with having a DD. In the models comparing ADHD and ASD, catching and static balance items were associated with ASD group membership, with a 1 point decrease in performance increasing odds of ASD by 36 and 39 %, respectively. Impairments in motor skills requiring the coupling of visual and temporal feedback to guide and adjust movement appear specifically deficient in ASD. En ligne : http://dx.doi.org/10.1007/s10803-014-2229-0 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=258 Learning of skilled movements via imitation in ASD / Danielle MCAULIFFE in Autism Research, 13-5 (May 2020)
[article]
Titre : Learning of skilled movements via imitation in ASD Type de document : Texte imprimé et/ou numérique Auteurs : Danielle MCAULIFFE, Auteur ; Yi ZHAO, Auteur ; Ajay S. PILLAI, Auteur ; Katarina AMENT, Auteur ; Jack ADAMEK, Auteur ; Brian S. CAFFO, Auteur ; Stewart H. MOSTOFSKY, Auteur ; Joshua B. EWEN, Auteur Article en page(s) : p.777-784 Langues : Anglais (eng) Mots-clés : autism dyspraxia imitation learning motor control skill learning Index. décimale : PER Périodiques Résumé : Autism spectrum disorder (ASD) consists of altered performance of a range of skills, including social/communicative and motor skills. It is unclear whether this altered performance results from atypical acquisition or learning of the skills or from atypical "online" performance of the skills. Atypicalities of skilled actions that require both motor and cognitive resources, such as abnormal gesturing, are highly prevalent in ASD and are easier to study in a laboratory context than are social/communicative skills. Imitation has long been known to be impaired in ASD; because learning via imitation is a prime method by which humans acquire skills, we tested the hypothesis that children with ASD show alterations in learning novel gestures via imitation. Eighteen participants with ASD and IQ > 80, ages 8-12.9 years, and 19 typically developing peers performed a task in which they watched a video of a model performing a novel, meaningless arm/hand gesture and copied the gesture. Each gesture video/copy sequence was repeated 4-6 times. Eight gestures were analyzed. Examination of learning trajectories revealed that while children with ASD made nearly as much progress in learning from repetition 1 to repetition 4, the shape of the learning curves differed. Causal modeling demonstrated the shape of the learning curve influenced both the performance of overlearned gestures and autism severity, suggesting that it is in the index of learning mechanisms relevant both to motor skills and to autism core features. Autism Res 2020, 13: 777-784.. (c) 2019 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: Imitation is a route by which humans learn a wide range of skills, naturally and in therapies. Imitation is known to be altered in autism spectrum disorder (ASD), but learning via imitation has not been rigorously examined. We found that the shape of the learning curve is altered in ASD, in a way that has a significant impact both on measures of autism severity and of other motor skills. En ligne : http://dx.doi.org/10.1002/aur.2253 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=422
in Autism Research > 13-5 (May 2020) . - p.777-784[article] Learning of skilled movements via imitation in ASD [Texte imprimé et/ou numérique] / Danielle MCAULIFFE, Auteur ; Yi ZHAO, Auteur ; Ajay S. PILLAI, Auteur ; Katarina AMENT, Auteur ; Jack ADAMEK, Auteur ; Brian S. CAFFO, Auteur ; Stewart H. MOSTOFSKY, Auteur ; Joshua B. EWEN, Auteur . - p.777-784.
Langues : Anglais (eng)
in Autism Research > 13-5 (May 2020) . - p.777-784
Mots-clés : autism dyspraxia imitation learning motor control skill learning Index. décimale : PER Périodiques Résumé : Autism spectrum disorder (ASD) consists of altered performance of a range of skills, including social/communicative and motor skills. It is unclear whether this altered performance results from atypical acquisition or learning of the skills or from atypical "online" performance of the skills. Atypicalities of skilled actions that require both motor and cognitive resources, such as abnormal gesturing, are highly prevalent in ASD and are easier to study in a laboratory context than are social/communicative skills. Imitation has long been known to be impaired in ASD; because learning via imitation is a prime method by which humans acquire skills, we tested the hypothesis that children with ASD show alterations in learning novel gestures via imitation. Eighteen participants with ASD and IQ > 80, ages 8-12.9 years, and 19 typically developing peers performed a task in which they watched a video of a model performing a novel, meaningless arm/hand gesture and copied the gesture. Each gesture video/copy sequence was repeated 4-6 times. Eight gestures were analyzed. Examination of learning trajectories revealed that while children with ASD made nearly as much progress in learning from repetition 1 to repetition 4, the shape of the learning curves differed. Causal modeling demonstrated the shape of the learning curve influenced both the performance of overlearned gestures and autism severity, suggesting that it is in the index of learning mechanisms relevant both to motor skills and to autism core features. Autism Res 2020, 13: 777-784.. (c) 2019 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: Imitation is a route by which humans learn a wide range of skills, naturally and in therapies. Imitation is known to be altered in autism spectrum disorder (ASD), but learning via imitation has not been rigorously examined. We found that the shape of the learning curve is altered in ASD, in a way that has a significant impact both on measures of autism severity and of other motor skills. En ligne : http://dx.doi.org/10.1002/aur.2253 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=422