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Eye Tracking Effort Expenditure and Autonomic Arousal to Social and Circumscribed Interest Stimuli in Autism Spectrum Disorder / J. M. TRAYNOR in Journal of Autism and Developmental Disorders, 49-5 (May 2019)
[article]
Titre : Eye Tracking Effort Expenditure and Autonomic Arousal to Social and Circumscribed Interest Stimuli in Autism Spectrum Disorder Type de document : Texte imprimé et/ou numérique Auteurs : J. M. TRAYNOR, Auteur ; A. GOUGH, Auteur ; E. DUKU, Auteur ; David I. SHORE, Auteur ; G. B. C. HALL, Auteur Article en page(s) : p.1988-2002 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder Circumscribed interests Eye tracking Pupillometry Repetitive behaviours Social communication deficits Index. décimale : PER Périodiques Résumé : The social communicative deficits and repetitive behaviours seen in Autism Spectrum Disorder (ASD) may be affected by altered stimulus salience and reward attribution. The present study used eye tracking and a behavioural measure to index effort expenditure, arousal, and attention, during viewing of images depicting social scenes and subject-specific circumscribed interests in a group of 10 adults with ASD (mean age 25.4 years) and 19 typically-developing controls (mean age 20.7 years) Split-plot and one-way repeated measures ANOVAs were used to explore results. A significant difference between the ASD and control group was found in the amount of effort expended to view social and circumscribed images. The ASD group also displayed significant differences in pupillary response to social and circumscribed images, indicative of changes in autonomic arousal. Overall, the results support the social motivation hypothesis in ASD (Chevallier et al., Trends Cogn Sci 16(4):231-239, 2012) and suggest a role for autonomic arousal in the ASD symptom dyad. En ligne : http://dx.doi.org/10.1007/s10803-018-03877-y Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=393
in Journal of Autism and Developmental Disorders > 49-5 (May 2019) . - p.1988-2002[article] Eye Tracking Effort Expenditure and Autonomic Arousal to Social and Circumscribed Interest Stimuli in Autism Spectrum Disorder [Texte imprimé et/ou numérique] / J. M. TRAYNOR, Auteur ; A. GOUGH, Auteur ; E. DUKU, Auteur ; David I. SHORE, Auteur ; G. B. C. HALL, Auteur . - p.1988-2002.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 49-5 (May 2019) . - p.1988-2002
Mots-clés : Autism spectrum disorder Circumscribed interests Eye tracking Pupillometry Repetitive behaviours Social communication deficits Index. décimale : PER Périodiques Résumé : The social communicative deficits and repetitive behaviours seen in Autism Spectrum Disorder (ASD) may be affected by altered stimulus salience and reward attribution. The present study used eye tracking and a behavioural measure to index effort expenditure, arousal, and attention, during viewing of images depicting social scenes and subject-specific circumscribed interests in a group of 10 adults with ASD (mean age 25.4 years) and 19 typically-developing controls (mean age 20.7 years) Split-plot and one-way repeated measures ANOVAs were used to explore results. A significant difference between the ASD and control group was found in the amount of effort expended to view social and circumscribed images. The ASD group also displayed significant differences in pupillary response to social and circumscribed images, indicative of changes in autonomic arousal. Overall, the results support the social motivation hypothesis in ASD (Chevallier et al., Trends Cogn Sci 16(4):231-239, 2012) and suggest a role for autonomic arousal in the ASD symptom dyad. En ligne : http://dx.doi.org/10.1007/s10803-018-03877-y Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=393 ASD symptoms in toddlers and preschoolers: An examination of sex differences / Rosmary ROS-DEMARIZE in Autism Research, 13-1 (January 2020)
[article]
Titre : ASD symptoms in toddlers and preschoolers: An examination of sex differences Type de document : Texte imprimé et/ou numérique Auteurs : Rosmary ROS-DEMARIZE, Auteur ; Catherine BRADLEY, Auteur ; Stephen M. KANNE, Auteur ; Zachary WARREN, Auteur ; Andrea BOAN, Auteur ; Clara LAJONCHERE, Auteur ; Justine PARK, Auteur ; Laura A. CARPENTER, Auteur Article en page(s) : p.157-166 Langues : Anglais (eng) Mots-clés : autism spectrum disorder restricted repetitive behaviors screening measures sex differences social communication deficits Index. décimale : PER Périodiques Résumé : Although considerable work has documented higher prevalence rates of autism spectrum disorder (ASD) in boys, fewer studies have focused on sex differences within samples of young children at-risk for ASD. This study examined sex differences in ASD symptom domains and ASD screening outcomes among toddlers (18-35 months) and preschoolers (36-72 months) with ASD-related concerns. Participants included 480 children between 18 and 72 months evaluated by university-based ASD specialty clinics. Results revealed significant sex differences in severity of social communication (SC) deficits across age groups. Within the toddler group, girls diagnosed with ASD displayed greater SC deficits according to standardized observation and clinician severity ratings. Within the preschool group, girls diagnosed with ASD were rated by parents as having more severe SC deficits, but these differences were not corroborated by standardized observations or clinician ratings. No sex differences emerged for severity of restricted repetitive behaviors (RRBs) for either age group. Across the entire referred sample, boys and girls did not differ in terms of scores on commonly used screening instruments. Importantly, results suggest that two of the most commonly used ASD screeners (i.e., Modified-Checklist for Autism in Toddlers-Revised with Follow-up and Social Communication Questionnaire ) may underidentify RRBs in toddler and preschool-aged girls as screening scores were only influenced by severity of SC deficits. Greater SC deficits in young girls with ASD along with its impact on screening status suggests greater attention be placed on the under-identification of ASD in girls as well as current screening measures' ability to tap into the topography of ASD symptoms across genders. Autism Res 2020, 13: 157-166. (c) 2019 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: In this study, we found that young girls diagnosed with autism spectrum disorder tend to have greater social communication deficits than young boys and that these differences vary by age. Specifically, toddler-aged girls receive higher clinician ratings of social communication deficits when compared to boys, while preschool-aged girls receive higher parent ratings of social communication deficits. For girls, current screening tools seem to be more highly influenced by severity of social communication deficits than by restricted repetitive behaviors. En ligne : http://dx.doi.org/10.1002/aur.2241 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=415
in Autism Research > 13-1 (January 2020) . - p.157-166[article] ASD symptoms in toddlers and preschoolers: An examination of sex differences [Texte imprimé et/ou numérique] / Rosmary ROS-DEMARIZE, Auteur ; Catherine BRADLEY, Auteur ; Stephen M. KANNE, Auteur ; Zachary WARREN, Auteur ; Andrea BOAN, Auteur ; Clara LAJONCHERE, Auteur ; Justine PARK, Auteur ; Laura A. CARPENTER, Auteur . - p.157-166.
Langues : Anglais (eng)
in Autism Research > 13-1 (January 2020) . - p.157-166
Mots-clés : autism spectrum disorder restricted repetitive behaviors screening measures sex differences social communication deficits Index. décimale : PER Périodiques Résumé : Although considerable work has documented higher prevalence rates of autism spectrum disorder (ASD) in boys, fewer studies have focused on sex differences within samples of young children at-risk for ASD. This study examined sex differences in ASD symptom domains and ASD screening outcomes among toddlers (18-35 months) and preschoolers (36-72 months) with ASD-related concerns. Participants included 480 children between 18 and 72 months evaluated by university-based ASD specialty clinics. Results revealed significant sex differences in severity of social communication (SC) deficits across age groups. Within the toddler group, girls diagnosed with ASD displayed greater SC deficits according to standardized observation and clinician severity ratings. Within the preschool group, girls diagnosed with ASD were rated by parents as having more severe SC deficits, but these differences were not corroborated by standardized observations or clinician ratings. No sex differences emerged for severity of restricted repetitive behaviors (RRBs) for either age group. Across the entire referred sample, boys and girls did not differ in terms of scores on commonly used screening instruments. Importantly, results suggest that two of the most commonly used ASD screeners (i.e., Modified-Checklist for Autism in Toddlers-Revised with Follow-up and Social Communication Questionnaire ) may underidentify RRBs in toddler and preschool-aged girls as screening scores were only influenced by severity of SC deficits. Greater SC deficits in young girls with ASD along with its impact on screening status suggests greater attention be placed on the under-identification of ASD in girls as well as current screening measures' ability to tap into the topography of ASD symptoms across genders. Autism Res 2020, 13: 157-166. (c) 2019 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: In this study, we found that young girls diagnosed with autism spectrum disorder tend to have greater social communication deficits than young boys and that these differences vary by age. Specifically, toddler-aged girls receive higher clinician ratings of social communication deficits when compared to boys, while preschool-aged girls receive higher parent ratings of social communication deficits. For girls, current screening tools seem to be more highly influenced by severity of social communication deficits than by restricted repetitive behaviors. En ligne : http://dx.doi.org/10.1002/aur.2241 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=415