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Brain Function Differences in Language Processing in Children and Adults with Autism / Diane L. WILLIAMS in Autism Research, 6-4 (August 2013)
[article]
Titre : Brain Function Differences in Language Processing in Children and Adults with Autism Type de document : Texte imprimé et/ou numérique Auteurs : Diane L. WILLIAMS, Auteur ; Vladimir L. CHERKASSKY, Auteur ; Robert A. MASON, Auteur ; Timothy A. KELLER, Auteur ; Nancy J. MINSHEW, Auteur ; Marcel Adam JUST, Auteur Article en page(s) : p.288-302 Langues : Anglais (eng) Mots-clés : FMRI language processing development functional connectivity Index. décimale : PER Périodiques Résumé : Comparison of brain function between children and adults with autism provides an understanding of the effects of the disorder and associated maturational differences on language processing. Functional imaging (functional magnetic resonance imaging) was used to examine brain activation and cortical synchronization during the processing of literal and ironic texts in 15 children with autism, 14 children with typical development, 13 adults with autism, and 12 adult controls. Both the children and adults with autism had lower functional connectivity (synchronization of brain activity among activated areas) than their age and ability comparison group in the left hemisphere language network during irony processing, and neither autism group had an increase in functional connectivity in response to increased task demands. Activation differences for the literal and irony conditions occurred in key language-processing regions (left middle temporal, left pars triangularis, left pars opercularis, left medial frontal, and right middle temporal). The children and adults with autism differed from each other in the use of some brain regions during the irony task, with the adults with autism having activation levels similar to those of the control groups. Overall, the children and adults with autism differed from the adult and child controls in (a) the degree of network coordination, (b) the distribution of the workload among member nodes, and (3) the dynamic recruitment of regions in response to text content. Moreover, the differences between the two autism age groups may be indicative of positive changes in the neural function related to language processing associated with maturation and/or educational experience. En ligne : http://dx.doi.org/10.1002/aur.1291 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=212
in Autism Research > 6-4 (August 2013) . - p.288-302[article] Brain Function Differences in Language Processing in Children and Adults with Autism [Texte imprimé et/ou numérique] / Diane L. WILLIAMS, Auteur ; Vladimir L. CHERKASSKY, Auteur ; Robert A. MASON, Auteur ; Timothy A. KELLER, Auteur ; Nancy J. MINSHEW, Auteur ; Marcel Adam JUST, Auteur . - p.288-302.
Langues : Anglais (eng)
in Autism Research > 6-4 (August 2013) . - p.288-302
Mots-clés : FMRI language processing development functional connectivity Index. décimale : PER Périodiques Résumé : Comparison of brain function between children and adults with autism provides an understanding of the effects of the disorder and associated maturational differences on language processing. Functional imaging (functional magnetic resonance imaging) was used to examine brain activation and cortical synchronization during the processing of literal and ironic texts in 15 children with autism, 14 children with typical development, 13 adults with autism, and 12 adult controls. Both the children and adults with autism had lower functional connectivity (synchronization of brain activity among activated areas) than their age and ability comparison group in the left hemisphere language network during irony processing, and neither autism group had an increase in functional connectivity in response to increased task demands. Activation differences for the literal and irony conditions occurred in key language-processing regions (left middle temporal, left pars triangularis, left pars opercularis, left medial frontal, and right middle temporal). The children and adults with autism differed from each other in the use of some brain regions during the irony task, with the adults with autism having activation levels similar to those of the control groups. Overall, the children and adults with autism differed from the adult and child controls in (a) the degree of network coordination, (b) the distribution of the workload among member nodes, and (3) the dynamic recruitment of regions in response to text content. Moreover, the differences between the two autism age groups may be indicative of positive changes in the neural function related to language processing associated with maturation and/or educational experience. En ligne : http://dx.doi.org/10.1002/aur.1291 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=212 Hemispheric differences in language processing in autism spectrum disorders: A meta-analysis of neuroimaging studies / Abbey J. HERRINGSHAW in Autism Research, 9-10 (October 2016)
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Titre : Hemispheric differences in language processing in autism spectrum disorders: A meta-analysis of neuroimaging studies Type de document : Texte imprimé et/ou numérique Auteurs : Abbey J. HERRINGSHAW, Auteur ; Carla J. AMMONS, Auteur ; Thomas P. DERAMUS, Auteur ; Rajesh K. KANA, Auteur Article en page(s) : p.1046-1057 Langues : Anglais (eng) Mots-clés : activation likelihood estimation language processing language brain meta-analysis autism neuroimaging brain Index. décimale : PER Périodiques Résumé : Language impairments, a hallmark feature of autism spectrum disorders (ASD), have been related to neuroanatomical and functional abnormalities. Abnormal lateralization of the functional language network, increased reliance on visual processing areas, and increased posterior brain activation have all been reported in ASD and proposed as explanatory models of language difficulties. Nevertheless, inconsistent findings across studies have prevented a comprehensive characterization of the functional language network in ASD. The aim of this study was to quantify common and consistent patterns of brain activation during language processing in ASD and typically developing control (TD) participants using a meta-analytic approach. Activation likelihood estimation (ALE) meta-analysis was used to examine 22 previously published functional Magnetic Resonance Imaging (fMRI)/positron emission tomography studies of language processing (ASD: N?=?328; TD: N?=?324). Tasks included in this study addressed semantic processing, sentence comprehension, processing figurative language, and speech production. Within-group analysis showed largely overlapping patterns of language-related activation in ASD and TD groups. However, the ASD participants, relative to TD participants, showed: (1) more right hemisphere activity in core language areas (i.e., superior temporal gyrus and inferior frontal gyrus), particularly in tasks where they had poorer performance accuracy; (2) bilateral MTG hypo-activation across many different paradigms; and (3) increased activation of the left lingual gyrus in tasks where they had intact performance. These findings show that the hypotheses reviewed here address the neural and cognitive aspects of language difficulties in ASD across all tasks only in a limited way. Instead, our findings suggest the nuances of language and brain in ASD in terms of its context-dependency. En ligne : http://dx.doi.org/10.1002/aur.1599 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=294
in Autism Research > 9-10 (October 2016) . - p.1046-1057[article] Hemispheric differences in language processing in autism spectrum disorders: A meta-analysis of neuroimaging studies [Texte imprimé et/ou numérique] / Abbey J. HERRINGSHAW, Auteur ; Carla J. AMMONS, Auteur ; Thomas P. DERAMUS, Auteur ; Rajesh K. KANA, Auteur . - p.1046-1057.
Langues : Anglais (eng)
in Autism Research > 9-10 (October 2016) . - p.1046-1057
Mots-clés : activation likelihood estimation language processing language brain meta-analysis autism neuroimaging brain Index. décimale : PER Périodiques Résumé : Language impairments, a hallmark feature of autism spectrum disorders (ASD), have been related to neuroanatomical and functional abnormalities. Abnormal lateralization of the functional language network, increased reliance on visual processing areas, and increased posterior brain activation have all been reported in ASD and proposed as explanatory models of language difficulties. Nevertheless, inconsistent findings across studies have prevented a comprehensive characterization of the functional language network in ASD. The aim of this study was to quantify common and consistent patterns of brain activation during language processing in ASD and typically developing control (TD) participants using a meta-analytic approach. Activation likelihood estimation (ALE) meta-analysis was used to examine 22 previously published functional Magnetic Resonance Imaging (fMRI)/positron emission tomography studies of language processing (ASD: N?=?328; TD: N?=?324). Tasks included in this study addressed semantic processing, sentence comprehension, processing figurative language, and speech production. Within-group analysis showed largely overlapping patterns of language-related activation in ASD and TD groups. However, the ASD participants, relative to TD participants, showed: (1) more right hemisphere activity in core language areas (i.e., superior temporal gyrus and inferior frontal gyrus), particularly in tasks where they had poorer performance accuracy; (2) bilateral MTG hypo-activation across many different paradigms; and (3) increased activation of the left lingual gyrus in tasks where they had intact performance. These findings show that the hypotheses reviewed here address the neural and cognitive aspects of language difficulties in ASD across all tasks only in a limited way. Instead, our findings suggest the nuances of language and brain in ASD in terms of its context-dependency. En ligne : http://dx.doi.org/10.1002/aur.1599 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=294 Processing of Ironic Language in Children with High-Functioning Autism Spectrum Disorder / Penny M. PEXMAN in Journal of Autism and Developmental Disorders, 41-8 (August 2011)
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Titre : Processing of Ironic Language in Children with High-Functioning Autism Spectrum Disorder Type de document : Texte imprimé et/ou numérique Auteurs : Penny M. PEXMAN, Auteur ; Kristin R. ROSTAD, Auteur ; Carly A. MCMORRIS, Auteur ; Emma A. CLIMIE, Auteur ; Jacqueline STOWKOWY, Auteur ; Melanie GLENWRIGHT, Auteur Année de publication : 2011 Article en page(s) : p.1097-1112 Langues : Anglais (eng) Mots-clés : Verbal irony High-functioning Autism spectrum disorder Language processing Eye gaze Figurative language Index. décimale : PER Périodiques Résumé : We examined processing of verbal irony in three groups of children: (1) 18 children with high-functioning Autism Spectrum Disorder (HFASD), (2) 18 typically-developing children, matched to the first group for verbal ability, and (3) 18 typically-developing children matched to the first group for chronological age. We utilized an irony comprehension task that minimized verbal and pragmatic demands for participants. Results showed that children with HFASD were as accurate as typically-developing children in judging speaker intent for ironic criticisms, but group differences in judgment latencies, eye gaze, and humor evaluations suggested that children with HFASD applied a different processing strategy for irony comprehension; one that resulted in less accurate appreciation of the social functions of irony. En ligne : http://dx.doi.org/10.1007/s10803-010-1131-7 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=132
in Journal of Autism and Developmental Disorders > 41-8 (August 2011) . - p.1097-1112[article] Processing of Ironic Language in Children with High-Functioning Autism Spectrum Disorder [Texte imprimé et/ou numérique] / Penny M. PEXMAN, Auteur ; Kristin R. ROSTAD, Auteur ; Carly A. MCMORRIS, Auteur ; Emma A. CLIMIE, Auteur ; Jacqueline STOWKOWY, Auteur ; Melanie GLENWRIGHT, Auteur . - 2011 . - p.1097-1112.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 41-8 (August 2011) . - p.1097-1112
Mots-clés : Verbal irony High-functioning Autism spectrum disorder Language processing Eye gaze Figurative language Index. décimale : PER Périodiques Résumé : We examined processing of verbal irony in three groups of children: (1) 18 children with high-functioning Autism Spectrum Disorder (HFASD), (2) 18 typically-developing children, matched to the first group for verbal ability, and (3) 18 typically-developing children matched to the first group for chronological age. We utilized an irony comprehension task that minimized verbal and pragmatic demands for participants. Results showed that children with HFASD were as accurate as typically-developing children in judging speaker intent for ironic criticisms, but group differences in judgment latencies, eye gaze, and humor evaluations suggested that children with HFASD applied a different processing strategy for irony comprehension; one that resulted in less accurate appreciation of the social functions of irony. En ligne : http://dx.doi.org/10.1007/s10803-010-1131-7 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=132 Strange Words: Autistic Traits and the Processing of Non-Literal Language / Peter E. MCKENNA in Journal of Autism and Developmental Disorders, 45-11 (November 2015)
[article]
Titre : Strange Words: Autistic Traits and the Processing of Non-Literal Language Type de document : Texte imprimé et/ou numérique Auteurs : Peter E. MCKENNA, Auteur ; Alexandra GLASS, Auteur ; Gnanathusharan RAJENDRAN, Auteur ; Martin CORLEY, Auteur Article en page(s) : p.3606-3612 Langues : Anglais (eng) Mots-clés : Autistic traits Autistic Quotient Figurative language Language processing Index. décimale : PER Périodiques Résumé : Previous investigations into metonymy comprehension in ASD have confounded metonymy with anaphora, and outcome with process. Here we show how these confounds may be avoided, using data from non-diagnosed participants classified using Autism Quotient. Participants read sentences containing target words with novel or established metonymic senses (e.g., Finland, Vietnam) in literal- or figurative-supporting contexts. Participants took longer to read target words in figurative contexts, especially where the metonymic sense was novel. Importantly, participants with higher AQs took longer still to read novel metonyms. This suggests a focus for further exploration, in terms of potential differences between individuals diagnosed with ASD and their neurotypical counterparts, and more generally in terms of the processes by which comprehension is achieved. En ligne : http://dx.doi.org/10.1007/s10803-015-2508-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=270
in Journal of Autism and Developmental Disorders > 45-11 (November 2015) . - p.3606-3612[article] Strange Words: Autistic Traits and the Processing of Non-Literal Language [Texte imprimé et/ou numérique] / Peter E. MCKENNA, Auteur ; Alexandra GLASS, Auteur ; Gnanathusharan RAJENDRAN, Auteur ; Martin CORLEY, Auteur . - p.3606-3612.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 45-11 (November 2015) . - p.3606-3612
Mots-clés : Autistic traits Autistic Quotient Figurative language Language processing Index. décimale : PER Périodiques Résumé : Previous investigations into metonymy comprehension in ASD have confounded metonymy with anaphora, and outcome with process. Here we show how these confounds may be avoided, using data from non-diagnosed participants classified using Autism Quotient. Participants read sentences containing target words with novel or established metonymic senses (e.g., Finland, Vietnam) in literal- or figurative-supporting contexts. Participants took longer to read target words in figurative contexts, especially where the metonymic sense was novel. Importantly, participants with higher AQs took longer still to read novel metonyms. This suggests a focus for further exploration, in terms of potential differences between individuals diagnosed with ASD and their neurotypical counterparts, and more generally in terms of the processes by which comprehension is achieved. En ligne : http://dx.doi.org/10.1007/s10803-015-2508-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=270 Thinking Ahead: Incremental Language Processing is Associated with Receptive Language Abilities in Preschoolers with Autism Spectrum Disorder / Courtney E. VENKER in Journal of Autism and Developmental Disorders, 49-3 (March 2019)
[article]
Titre : Thinking Ahead: Incremental Language Processing is Associated with Receptive Language Abilities in Preschoolers with Autism Spectrum Disorder Type de document : Texte imprimé et/ou numérique Auteurs : Courtney E. VENKER, Auteur ; J. EDWARDS, Auteur ; Jenny SAFFRAN, Auteur ; S. ELLIS WEISMER, Auteur Article en page(s) : p.1011-1023 Langues : Anglais (eng) Mots-clés : Autism Comprehension Individual differences Language impairment Language processing Prediction Index. décimale : PER Périodiques Résumé : In typical development, listeners can use semantic content of verbs to facilitate incremental language processing-a skill that is associated with existing language skills. Studies of children with ASD have not identified an association between incremental language processing in semantically-constraining contexts and language skills, perhaps because participants were adolescents and/or children with strong language skills. This study examined incremental language processing and receptive language in young children with ASD with a range of language skills. Children showed a head start when presented with semantically-constraining verbs (e.g., Read the book) compared to neutral verbs (e.g., Find the book). Children with weaker receptive language showed a smaller head start than children with stronger receptive language skills, suggesting continuity between typical development and ASD. En ligne : http://dx.doi.org/10.1007/s10803-018-3778-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=386
in Journal of Autism and Developmental Disorders > 49-3 (March 2019) . - p.1011-1023[article] Thinking Ahead: Incremental Language Processing is Associated with Receptive Language Abilities in Preschoolers with Autism Spectrum Disorder [Texte imprimé et/ou numérique] / Courtney E. VENKER, Auteur ; J. EDWARDS, Auteur ; Jenny SAFFRAN, Auteur ; S. ELLIS WEISMER, Auteur . - p.1011-1023.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 49-3 (March 2019) . - p.1011-1023
Mots-clés : Autism Comprehension Individual differences Language impairment Language processing Prediction Index. décimale : PER Périodiques Résumé : In typical development, listeners can use semantic content of verbs to facilitate incremental language processing-a skill that is associated with existing language skills. Studies of children with ASD have not identified an association between incremental language processing in semantically-constraining contexts and language skills, perhaps because participants were adolescents and/or children with strong language skills. This study examined incremental language processing and receptive language in young children with ASD with a range of language skills. Children showed a head start when presented with semantically-constraining verbs (e.g., Read the book) compared to neutral verbs (e.g., Find the book). Children with weaker receptive language showed a smaller head start than children with stronger receptive language skills, suggesting continuity between typical development and ASD. En ligne : http://dx.doi.org/10.1007/s10803-018-3778-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=386 Neurodevelopment for syntactic processing distinguishes childhood stuttering recovery versus persistence / E. USLER in Journal of Neurodevelopmental Disorders, 7-1 (December 2015)
PermalinkIndividual Differences in the Real-Time Comprehension of Children with ASD / Courtney E. VENKER in Autism Research, 6-5 (October 2013)
PermalinkComparing Automatic Eye Tracking and Manual Gaze Coding Methods in Young Children with Autism Spectrum Disorder / Courtney E. VENKER in Autism Research, 13-2 (February 2020)
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