Constructions grammaticales spatiales chez des enfants sourds avec autisme, locuteurs de langue des signes / Aaron SHIELD

Public ISBD in Langage et cognition dans l'autisme chez l'enfant / Hélène DELAGE Titre : Constructions grammaticales spatiales chez des enfants sourds avec autisme, locuteurs de langue des signes Type de document : texte imprimé Auteurs : Aaron SHIELD, Auteur Année de publication : 2015 Langues : Français (fre) Mots-clés : Langue des signes Index. décimale : COM-A COM-A - Communication - Langage - Orthophonie Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=271 in Langage et cognition dans l'autisme chez l'enfant / Hélène DELAGE Constructions grammaticales spatiales chez des enfants sourds avec autisme, locuteurs de langue des signes [texte imprimé] / Aaron SHIELD, Auteur . - 2015. Langues : Français (fre) Mots-clés : Langue des signes Index. décimale : COM-A COM-A - Communication - Langage - Orthophonie Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=271

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Differences in praxis performance and receptive language during fingerspelling between deaf children with and without autism spectrum disorder / Anjana N. BHAT in Autism, 22-3 (April 2018)  

Public ISBD [article]  inAutism > 22-3 (April 2018) . - p.271-282 Titre : Differences in praxis performance and receptive language during fingerspelling between deaf children with and without autism spectrum disorder Type de document : texte imprimé Auteurs : Anjana N. BHAT, Auteur ; Sudha M. SRINIVASAN, Auteur ; Colleen WOXHOLDT, Auteur ; Aaron SHIELD, Auteur Article en page(s) : p.271-282 Langues : Anglais (eng) Mots-clés : autism spectrum disorder  children  deaf  fingerspelling  praxis  receptive communication  sign language Index. décimale : PER Périodiques Résumé : Children with autism spectrum disorder present with a variety of social communication deficits such as atypicalities in social gaze and verbal and non-verbal communication delays as well as perceptuo-motor deficits like motor incoordination and dyspraxia. In this study, we had the unique opportunity to study praxis performance in deaf children with and without autism spectrum disorder in a fingerspelling context using American Sign Language. A total of 11 deaf children with autism spectrum disorder and 11 typically developing deaf children aged between 5 and 14 years completed a fingerspelling task. Children were asked to fingerspell 15 different words shown on an iPad. We coded various praxis errors and fingerspelling time. The deaf children with autism spectrum disorder had greater errors in pace, sequence precision, accuracy, and body part use and also took longer to fingerspell each word. Additionally, the deaf children with autism spectrum disorder had poor receptive language skills and this strongly correlated with their praxis performance and autism severity. These findings extend the evidence for dyspraxia in hearing children with autism spectrum disorder to deaf children with autism spectrum disorder. Poor sign language production in children with autism spectrum disorder may contribute to their poor gestural learning/comprehension and vice versa. Our findings have therapeutic implications for children with autism spectrum disorder when teaching sign language. En ligne : http://dx.doi.org/10.1177/1362361316672179 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=358 [article] Differences in praxis performance and receptive language during fingerspelling between deaf children with and without autism spectrum disorder [texte imprimé] / Anjana N. BHAT, Auteur ; Sudha M. SRINIVASAN, Auteur ; Colleen WOXHOLDT, Auteur ; Aaron SHIELD, Auteur . - p.271-282. Langues : Anglais (eng) in Autism > 22-3 (April 2018) . - p.271-282 Mots-clés : autism spectrum disorder  children  deaf  fingerspelling  praxis  receptive communication  sign language Index. décimale : PER Périodiques Résumé : Children with autism spectrum disorder present with a variety of social communication deficits such as atypicalities in social gaze and verbal and non-verbal communication delays as well as perceptuo-motor deficits like motor incoordination and dyspraxia. In this study, we had the unique opportunity to study praxis performance in deaf children with and without autism spectrum disorder in a fingerspelling context using American Sign Language. A total of 11 deaf children with autism spectrum disorder and 11 typically developing deaf children aged between 5 and 14 years completed a fingerspelling task. Children were asked to fingerspell 15 different words shown on an iPad. We coded various praxis errors and fingerspelling time. The deaf children with autism spectrum disorder had greater errors in pace, sequence precision, accuracy, and body part use and also took longer to fingerspell each word. Additionally, the deaf children with autism spectrum disorder had poor receptive language skills and this strongly correlated with their praxis performance and autism severity. These findings extend the evidence for dyspraxia in hearing children with autism spectrum disorder to deaf children with autism spectrum disorder. Poor sign language production in children with autism spectrum disorder may contribute to their poor gestural learning/comprehension and vice versa. Our findings have therapeutic implications for children with autism spectrum disorder when teaching sign language. En ligne : http://dx.doi.org/10.1177/1362361316672179 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=358

Impaired praxis in gesture imitation by deaf children with autism spectrum disorder / Aaron SHIELD in Autism & Developmental Language Impairments, 2 (January-December 2017)  

Public ISBD [article]  inAutism & Developmental Language Impairments > 2 (January-December 2017) Titre : Impaired praxis in gesture imitation by deaf children with autism spectrum disorder Type de document : texte imprimé Auteurs : Aaron SHIELD, Auteur ; Krista KNAPKE, Auteur ; Morgan HENRY, Auteur ; Sudha SRINIVASAN, Auteur ; Anjana N. BHAT, Auteur Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Background and aimsPraxis, the ability to plan and execute a series of gestures or motor sequences, is impaired in individuals with autism spectrum disorder. In this paper, we present the first study of praxis during a gesture imitation task in a unique population of children with autism spectrum disorder: deaf children who have been exposed to American Sign Language from birth by their Deaf parents. Lifelong exposure to sign language in deaf individuals entails practice with gesture imitation. We ask if deaf, signing children with autism spectrum disorder present with praxis impairments similar to those reported in the literature for hearing children with autism spectrum disorder not exposed to sign.MethodsThirty deaf children of Deaf parents (16 typically developing and 14 with autism spectrum disorder), matched for chronological and mental age, were tested on a simple gesture imitation task. Children were asked to imitate 24 gestures performed by an adult model on a laptop computer that varied along dimensions of movement type (16 trials) and palm orientation direction (eight trials). Data were coded for nine praxis parameters (five formation parameters and four manner parameters) and three timing measures.ResultsResults showed that the deaf children with autism spectrum disorder produced more errors than the typically developing deaf children on six of the nine praxis dimensions (hand orientation, final orientation, modulation, directness, pace, and overflow) and were more impaired on manner parameters than formation parameters, suggesting underlying deficits in motor control/coordination leading to dyspraxia. Praxis scores were strongly related to severity of autism spectrum disorder symptoms and receptive sign language scores.ConclusionsWe thus find evidence that praxis is impaired in deaf, signing children with autism spectrum disorder, despite lifelong exposure to a gestural language and extensive practice with gesture imitation.ImplicationsOur findings suggest that interventions targeted toward enhancing praxis and coordination of finger and hand movements could help facilitate language development in children with autism spectrum disorder. En ligne : https://doi.org/10.1177/2396941517745674 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=387 [article] Impaired praxis in gesture imitation by deaf children with autism spectrum disorder [texte imprimé] / Aaron SHIELD, Auteur ; Krista KNAPKE, Auteur ; Morgan HENRY, Auteur ; Sudha SRINIVASAN, Auteur ; Anjana N. BHAT, Auteur. Langues : Anglais (eng) in Autism & Developmental Language Impairments > 2 (January-December 2017) Index. décimale : PER Périodiques Résumé : Background and aimsPraxis, the ability to plan and execute a series of gestures or motor sequences, is impaired in individuals with autism spectrum disorder. In this paper, we present the first study of praxis during a gesture imitation task in a unique population of children with autism spectrum disorder: deaf children who have been exposed to American Sign Language from birth by their Deaf parents. Lifelong exposure to sign language in deaf individuals entails practice with gesture imitation. We ask if deaf, signing children with autism spectrum disorder present with praxis impairments similar to those reported in the literature for hearing children with autism spectrum disorder not exposed to sign.MethodsThirty deaf children of Deaf parents (16 typically developing and 14 with autism spectrum disorder), matched for chronological and mental age, were tested on a simple gesture imitation task. Children were asked to imitate 24 gestures performed by an adult model on a laptop computer that varied along dimensions of movement type (16 trials) and palm orientation direction (eight trials). Data were coded for nine praxis parameters (five formation parameters and four manner parameters) and three timing measures.ResultsResults showed that the deaf children with autism spectrum disorder produced more errors than the typically developing deaf children on six of the nine praxis dimensions (hand orientation, final orientation, modulation, directness, pace, and overflow) and were more impaired on manner parameters than formation parameters, suggesting underlying deficits in motor control/coordination leading to dyspraxia. Praxis scores were strongly related to severity of autism spectrum disorder symptoms and receptive sign language scores.ConclusionsWe thus find evidence that praxis is impaired in deaf, signing children with autism spectrum disorder, despite lifelong exposure to a gestural language and extensive practice with gesture imitation.ImplicationsOur findings suggest that interventions targeted toward enhancing praxis and coordination of finger and hand movements could help facilitate language development in children with autism spectrum disorder. En ligne : https://doi.org/10.1177/2396941517745674 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=387

Relations between language and cognition in native-signing children with autism spectrum disorder / Aaron SHIELD in Autism Research, 9-12 (December 2016)  

Public ISBD [article]  inAutism Research > 9-12 (December 2016) . - p.1304-1315 Titre : Relations between language and cognition in native-signing children with autism spectrum disorder Type de document : texte imprimé Auteurs : Aaron SHIELD, Auteur ; Jennie PYERS, Auteur ; Amber MARTIN, Auteur ; Helen TAGER-FLUSBERG, Auteur Article en page(s) : p.1304-1315 Langues : Anglais (eng) Mots-clés : theory of mind  social cognition  developmental psychology  cognitive neuroscience Index. décimale : PER Périodiques Résumé : Two populations have been found to exhibit delays in theory of mind (ToM): deaf children of hearing parents and children with autism spectrum disorder (ASD). Deaf children exposed to sign from birth by their deaf parents, however, show no such delay, suggesting that early language exposure is key to ToM development. Sign languages also present frequent opportunities with visual perspective-taking (VPT), leading to the question of whether sign exposure could benefit children with ASD. We present the first study of children with ASD exposed to sign from birth by their deaf parents. Seventeen native-signing children with a confirmed ASD diagnosis and a chronological- and mental age-matched control group of 18 typically developing (TD) native-signing deaf children were tested on American Sign Language (ASL) comprehension, two minimally verbal social cognition tasks (ToM and VPT), and one spatial cognition task (mental rotation). The TD children outperformed the children with ASD on ASL comprehension (p < 0.0001), ToM (p = 0.02), and VPT (p < 0.01), but not mental rotation (p = 0.12). Language strongly correlated with ToM (p < 0.01) and VPT (p < 0.001), but not mental rotation (p = ns). Native exposure to sign is thus insufficient to overcome the language and social impairments implicated in ASD. Contrary to the hypothesis that sign could provide a scaffold for ToM skills, we find that signing children with ASD are unable to access language so as to gain any potential benefit sign might confer. Our results support a strong link between the development of social cognition and language, regardless of modality, for TD and ASD children. En ligne : http://dx.doi.org/10.1002/aur.1621 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=298 [article] Relations between language and cognition in native-signing children with autism spectrum disorder [texte imprimé] / Aaron SHIELD, Auteur ; Jennie PYERS, Auteur ; Amber MARTIN, Auteur ; Helen TAGER-FLUSBERG, Auteur . - p.1304-1315. Langues : Anglais (eng) in Autism Research > 9-12 (December 2016) . - p.1304-1315 Mots-clés : theory of mind  social cognition  developmental psychology  cognitive neuroscience Index. décimale : PER Périodiques Résumé : Two populations have been found to exhibit delays in theory of mind (ToM): deaf children of hearing parents and children with autism spectrum disorder (ASD). Deaf children exposed to sign from birth by their deaf parents, however, show no such delay, suggesting that early language exposure is key to ToM development. Sign languages also present frequent opportunities with visual perspective-taking (VPT), leading to the question of whether sign exposure could benefit children with ASD. We present the first study of children with ASD exposed to sign from birth by their deaf parents. Seventeen native-signing children with a confirmed ASD diagnosis and a chronological- and mental age-matched control group of 18 typically developing (TD) native-signing deaf children were tested on American Sign Language (ASL) comprehension, two minimally verbal social cognition tasks (ToM and VPT), and one spatial cognition task (mental rotation). The TD children outperformed the children with ASD on ASL comprehension (p < 0.0001), ToM (p = 0.02), and VPT (p < 0.01), but not mental rotation (p = 0.12). Language strongly correlated with ToM (p < 0.01) and VPT (p < 0.001), but not mental rotation (p = ns). Native exposure to sign is thus insufficient to overcome the language and social impairments implicated in ASD. Contrary to the hypothesis that sign could provide a scaffold for ToM skills, we find that signing children with ASD are unable to access language so as to gain any potential benefit sign might confer. Our results support a strong link between the development of social cognition and language, regardless of modality, for TD and ASD children. En ligne : http://dx.doi.org/10.1002/aur.1621 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=298

The Production of Pronouns and Verb Inflections by Italian Children with ASD: A New Dataset in a Null Subject Language / Greta MAZZAGGIO in Journal of Autism and Developmental Disorders, 50-4 (April 2020)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 50-4 (April 2020) . - p.1425-1433 Titre : The Production of Pronouns and Verb Inflections by Italian Children with ASD: A New Dataset in a Null Subject Language Type de document : texte imprimé Auteurs : Greta MAZZAGGIO, Auteur ; Aaron SHIELD, Auteur Article en page(s) : p.1425-1433 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder  Language development  Pronoun avoidance  Pronoun production Index. décimale : PER Périodiques Résumé : The language of children with autism spectrum disorder (ASD) is often characterized by difficulties with pronouns. The underlying reasons for such difficulties are still unclear. This study is the first to test the abilities of children with ASD who speak Italian, a language in which overt subject pronouns are optional but verbs obligatorily feature person-referencing morphology. We found that Italian children with ASD were less accurate than typically-developing (TD) Italian children in the production of first-, second-, and third-person singular pronouns, avoiding pronouns in favor of nouns or names more often than controls. Moreover, children with ASD produced more overt pronouns than null pronouns in marked contexts, compared to TD children. These phenomena can be accounted for by difficulties with pragmatics. En ligne : http://dx.doi.org/10.1007/s10803-019-04349-7 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=421 [article] The Production of Pronouns and Verb Inflections by Italian Children with ASD: A New Dataset in a Null Subject Language [texte imprimé] / Greta MAZZAGGIO, Auteur ; Aaron SHIELD, Auteur . - p.1425-1433. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 50-4 (April 2020) . - p.1425-1433 Mots-clés : Autism spectrum disorder  Language development  Pronoun avoidance  Pronoun production Index. décimale : PER Périodiques Résumé : The language of children with autism spectrum disorder (ASD) is often characterized by difficulties with pronouns. The underlying reasons for such difficulties are still unclear. This study is the first to test the abilities of children with ASD who speak Italian, a language in which overt subject pronouns are optional but verbs obligatorily feature person-referencing morphology. We found that Italian children with ASD were less accurate than typically-developing (TD) Italian children in the production of first-, second-, and third-person singular pronouns, avoiding pronouns in favor of nouns or names more often than controls. Moreover, children with ASD produced more overt pronouns than null pronouns in marked contexts, compared to TD children. These phenomena can be accounted for by difficulties with pragmatics. En ligne : http://dx.doi.org/10.1007/s10803-019-04349-7 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=421

The Use of Sign Language Pronouns by Native-Signing Children with Autism / Aaron SHIELD in Journal of Autism and Developmental Disorders, 45-7 (July 2015)  

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