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Discourse comprehension in autism spectrum disorder: Effects of working memory load and common ground / Jillian M. SCHUH in Autism Research, 9-12 (December 2016)
[article]
Titre : Discourse comprehension in autism spectrum disorder: Effects of working memory load and common ground Type de document : Texte imprimé et/ou numérique Auteurs : Jillian M. SCHUH, Auteur ; Inge-Marie EIGSTI, Auteur ; Daniel MIRMAN, Auteur Article en page(s) : p.1340-1352 Langues : Anglais (eng) Mots-clés : autism spectrum disorder referential communication discourse common ground working memory theory of mind eyetracking Index. décimale : PER Périodiques Résumé : Pragmatic language impairments are nearly universal in autism spectrum disorders (ASD). Discourse requires that we monitor information that is shared or mutually known, called “common ground.” While many studies have examined the role of Theory of Mind (ToM) in such impairments, few have examined working memory (WM). Common ground impairments in ASD could reflect limitations in both WM and ToM. This study explored common ground use in youth ages 8–17 years with high-functioning ASD (n?=?13) and typical development (n?=?22); groups did not differ on age, gender, IQ, or standardized language. We tracked participants' eye movements while they performed a discourse task in which some information was known only to the participant (e.g., was privileged; a manipulation of ToM). In addition, the amount of privileged information varied (a manipulation of WM). All participants were slower to fixate the target when considering privileged information, and this effect was greatest during high WM load trials. Further, the ASD group was more likely to fixate competing (non-target) shapes. Predictors of fixation patterns included ASD symptomatology, language ability, ToM, and WM. Groups did not differ in ToM. Individuals with better WM fixated the target more rapidly, suggesting an association between WM capacity and efficient discourse. In addition to ToM knowledge, WM capacity constrains common ground representation and impacts pragmatic skills in ASD. Social impairments in ASD are thus associated with WM capacity, such that deficits in domain-general, nonsocial processes such as WM exert an influence during complex social interactions. En ligne : http://dx.doi.org/10.1002/aur.1632 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=298
in Autism Research > 9-12 (December 2016) . - p.1340-1352[article] Discourse comprehension in autism spectrum disorder: Effects of working memory load and common ground [Texte imprimé et/ou numérique] / Jillian M. SCHUH, Auteur ; Inge-Marie EIGSTI, Auteur ; Daniel MIRMAN, Auteur . - p.1340-1352.
Langues : Anglais (eng)
in Autism Research > 9-12 (December 2016) . - p.1340-1352
Mots-clés : autism spectrum disorder referential communication discourse common ground working memory theory of mind eyetracking Index. décimale : PER Périodiques Résumé : Pragmatic language impairments are nearly universal in autism spectrum disorders (ASD). Discourse requires that we monitor information that is shared or mutually known, called “common ground.” While many studies have examined the role of Theory of Mind (ToM) in such impairments, few have examined working memory (WM). Common ground impairments in ASD could reflect limitations in both WM and ToM. This study explored common ground use in youth ages 8–17 years with high-functioning ASD (n?=?13) and typical development (n?=?22); groups did not differ on age, gender, IQ, or standardized language. We tracked participants' eye movements while they performed a discourse task in which some information was known only to the participant (e.g., was privileged; a manipulation of ToM). In addition, the amount of privileged information varied (a manipulation of WM). All participants were slower to fixate the target when considering privileged information, and this effect was greatest during high WM load trials. Further, the ASD group was more likely to fixate competing (non-target) shapes. Predictors of fixation patterns included ASD symptomatology, language ability, ToM, and WM. Groups did not differ in ToM. Individuals with better WM fixated the target more rapidly, suggesting an association between WM capacity and efficient discourse. In addition to ToM knowledge, WM capacity constrains common ground representation and impacts pragmatic skills in ASD. Social impairments in ASD are thus associated with WM capacity, such that deficits in domain-general, nonsocial processes such as WM exert an influence during complex social interactions. En ligne : http://dx.doi.org/10.1002/aur.1632 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=298 When do Children with Autism Spectrum Disorder Take Common Ground into Account During Communication? / L. MALKIN in Autism Research, 11-10 (October 2018)
[article]
Titre : When do Children with Autism Spectrum Disorder Take Common Ground into Account During Communication? Type de document : Texte imprimé et/ou numérique Auteurs : L. MALKIN, Auteur ; Kirsten ABBOT-SMITH, Auteur ; D. WILLIAMS, Auteur ; J. AYLING, Auteur Article en page(s) : p.1366-1375 Langues : Anglais (eng) Mots-clés : autism children common ground comprehension production reference verbal social communication Index. décimale : PER Périodiques Résumé : One feature of autism spectrum disorder (ASD) is a deficit in verbal reference production, that is, providing an appropriate amount of verbal information for the listener to refer to things, people, and events. However, very few studies have manipulated whether individuals with ASD can take a speaker's perspective to interpret verbal reference. A critical limitation of all interpretation studies is that comprehension of another's verbal reference required the participant to represent only the other's visual perspective. Yet, many everyday interpretations of verbal reference require knowledge of social perspective (i.e., a consideration of which experiences one has shared with which interlocutor). We investigated whether 22 5;0-7;11-year-old children with ASD and 22 well-matched typically developing (TD) children used social perspective to comprehend (Study 1) and produce (Study 2) verbal reference. Social perspective-taking was manipulated by having children collaboratively complete activities with one of two interlocutors such that for a given activity, one interlocutor was Knowledgeable and one was Naive. Study 1 found no between-group differences for the interpretation of ambiguous references based on social perspective. In Study 2, when producing referring terms, the ASD group made modifications based on listener needs, but this effect was significantly stronger in the TD group. Overall, the findings suggest that high-functioning children with ASD know with which interlocutor they have previously shared a given experience and can take this information into account to steer verbal reference. Nonetheless, they show clear performance limitations in this regard relative to well-matched controls. Autism Res 2018, 11: 1366-1375. (c) 2018 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: No one had studied if young children with autism spectrum disorder (ASD) could take into account previous collaboration with particular conversation partners to drive how well they communicate with others. In both their language understanding and spoken language, we found that five to 7-year-olds with ASD were able to consider what they had previously shared with the conversation partner. However, they were impaired when compared to typically developing children in the degree to which they tailored their spoken language for a specific listener. En ligne : http://dx.doi.org/10.1002/aur.2007 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=369
in Autism Research > 11-10 (October 2018) . - p.1366-1375[article] When do Children with Autism Spectrum Disorder Take Common Ground into Account During Communication? [Texte imprimé et/ou numérique] / L. MALKIN, Auteur ; Kirsten ABBOT-SMITH, Auteur ; D. WILLIAMS, Auteur ; J. AYLING, Auteur . - p.1366-1375.
Langues : Anglais (eng)
in Autism Research > 11-10 (October 2018) . - p.1366-1375
Mots-clés : autism children common ground comprehension production reference verbal social communication Index. décimale : PER Périodiques Résumé : One feature of autism spectrum disorder (ASD) is a deficit in verbal reference production, that is, providing an appropriate amount of verbal information for the listener to refer to things, people, and events. However, very few studies have manipulated whether individuals with ASD can take a speaker's perspective to interpret verbal reference. A critical limitation of all interpretation studies is that comprehension of another's verbal reference required the participant to represent only the other's visual perspective. Yet, many everyday interpretations of verbal reference require knowledge of social perspective (i.e., a consideration of which experiences one has shared with which interlocutor). We investigated whether 22 5;0-7;11-year-old children with ASD and 22 well-matched typically developing (TD) children used social perspective to comprehend (Study 1) and produce (Study 2) verbal reference. Social perspective-taking was manipulated by having children collaboratively complete activities with one of two interlocutors such that for a given activity, one interlocutor was Knowledgeable and one was Naive. Study 1 found no between-group differences for the interpretation of ambiguous references based on social perspective. In Study 2, when producing referring terms, the ASD group made modifications based on listener needs, but this effect was significantly stronger in the TD group. Overall, the findings suggest that high-functioning children with ASD know with which interlocutor they have previously shared a given experience and can take this information into account to steer verbal reference. Nonetheless, they show clear performance limitations in this regard relative to well-matched controls. Autism Res 2018, 11: 1366-1375. (c) 2018 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: No one had studied if young children with autism spectrum disorder (ASD) could take into account previous collaboration with particular conversation partners to drive how well they communicate with others. In both their language understanding and spoken language, we found that five to 7-year-olds with ASD were able to consider what they had previously shared with the conversation partner. However, they were impaired when compared to typically developing children in the degree to which they tailored their spoken language for a specific listener. En ligne : http://dx.doi.org/10.1002/aur.2007 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=369