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Abnormal Gait Patterns in Autism Spectrum Disorder and Their Correlations with Social Impairments / Linlin GONG in Autism Research, 13-7 (July 2020)
[article]
Titre : Abnormal Gait Patterns in Autism Spectrum Disorder and Their Correlations with Social Impairments Type de document : Texte imprimé et/ou numérique Auteurs : Linlin GONG, Auteur ; Yajie LIU, Auteur ; Li YI, Auteur ; Jing FANG, Auteur ; Yisheng YANG, Auteur ; Kunlin WEI, Auteur Article en page(s) : p.1215-1226 Langues : Anglais (eng) Mots-clés : autism gait motor coordination motor deficits social impairments Index. décimale : PER Périodiques Résumé : Ground walking in humans is typically stable, symmetrical, characterized by smooth heel-to-toe ground contact. Previous studies on children with autism spectrum disorder (ASD) identified various gait abnormalities. However, they produced inconsistent findings, particularly for the occurrence of toe walking and gait symmetry between feet, owing to their reliance on retrospective reports, visual analysis of videos, or kinematic analysis of the gait. The present study examined gait functions in children with ASD using plantar pressure that quantified foot-ground interaction with high spatial and temporal resolutions. Fifty-eight 4-6-year-old children with ASD (12 low-functioning and 46 high-functioning autism) and 28 age-matched typically developed children walked straight 6 m at their preferred speed for 10 repetitions. We found that both ASD groups walked with more flat-footed contact pattern, more left-right asymmetry, and larger step-to-step variability than their controls. Furthermore, these abnormal gait characteristics were related to social impairments measured by the Autism Spectrum Quotient and Social Responsive Scale, supporting a close association between impaired motor coordination and core symptoms of autism. Autism Res 2020, 13: 1215-1226. © 2020 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: We examined gait functions among children with autism by measuring their foot plantar pressure during simple straight walking. Children with ASD walked with a characteristic foot-ground contact pattern with inappropriate contact forces and large step-to-step variability when compared with their age-matched controls. These walking abnormalities were dependent on their social impairments but independent from their intelligence, indicating a close relationship between atypical motor coordination and core symptoms of autism. En ligne : http://dx.doi.org/10.1002/aur.2302 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=429
in Autism Research > 13-7 (July 2020) . - p.1215-1226[article] Abnormal Gait Patterns in Autism Spectrum Disorder and Their Correlations with Social Impairments [Texte imprimé et/ou numérique] / Linlin GONG, Auteur ; Yajie LIU, Auteur ; Li YI, Auteur ; Jing FANG, Auteur ; Yisheng YANG, Auteur ; Kunlin WEI, Auteur . - p.1215-1226.
Langues : Anglais (eng)
in Autism Research > 13-7 (July 2020) . - p.1215-1226
Mots-clés : autism gait motor coordination motor deficits social impairments Index. décimale : PER Périodiques Résumé : Ground walking in humans is typically stable, symmetrical, characterized by smooth heel-to-toe ground contact. Previous studies on children with autism spectrum disorder (ASD) identified various gait abnormalities. However, they produced inconsistent findings, particularly for the occurrence of toe walking and gait symmetry between feet, owing to their reliance on retrospective reports, visual analysis of videos, or kinematic analysis of the gait. The present study examined gait functions in children with ASD using plantar pressure that quantified foot-ground interaction with high spatial and temporal resolutions. Fifty-eight 4-6-year-old children with ASD (12 low-functioning and 46 high-functioning autism) and 28 age-matched typically developed children walked straight 6 m at their preferred speed for 10 repetitions. We found that both ASD groups walked with more flat-footed contact pattern, more left-right asymmetry, and larger step-to-step variability than their controls. Furthermore, these abnormal gait characteristics were related to social impairments measured by the Autism Spectrum Quotient and Social Responsive Scale, supporting a close association between impaired motor coordination and core symptoms of autism. Autism Res 2020, 13: 1215-1226. © 2020 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: We examined gait functions among children with autism by measuring their foot plantar pressure during simple straight walking. Children with ASD walked with a characteristic foot-ground contact pattern with inappropriate contact forces and large step-to-step variability when compared with their age-matched controls. These walking abnormalities were dependent on their social impairments but independent from their intelligence, indicating a close relationship between atypical motor coordination and core symptoms of autism. En ligne : http://dx.doi.org/10.1002/aur.2302 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=429 The Association Between Sequence Learning on the Serial Reaction Time Task and Social Impairments in Autism / F. S. ZWART in Journal of Autism and Developmental Disorders, 48-8 (August 2018)
[article]
Titre : The Association Between Sequence Learning on the Serial Reaction Time Task and Social Impairments in Autism Type de document : Texte imprimé et/ou numérique Auteurs : F. S. ZWART, Auteur ; Constance T. W. M. VISSERS, Auteur ; J. H. R. MAES, Auteur Article en page(s) : p.2692-2700 Langues : Anglais (eng) Mots-clés : Asd Implicit learning Srs-a SRT task Social impairments Index. décimale : PER Périodiques Résumé : It is assumed that learning on the Serial Reaction Time (SRT) task is related to learning involved in social skill development affected in autism, but this assumption has hardly been investigated. We have therefore examined associations between SRT task learning and social impairment measured by the Social Responsiveness Scale in 72 autistic and non-autistic adults. Results revealed a positive correlation between deterministic sequence learning, putatively involving explicit learning, and social impairment in autistic adults but not in non-autistic adults. No correlations with probabilistic learning were found. These results suggest that the type of learning that helps autistic adults during a deterministic SRT task hinders them during social development, and call for further investigating the ecological validity of the SRT task. En ligne : http://dx.doi.org/10.1007/s10803-018-3529-6 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=367
in Journal of Autism and Developmental Disorders > 48-8 (August 2018) . - p.2692-2700[article] The Association Between Sequence Learning on the Serial Reaction Time Task and Social Impairments in Autism [Texte imprimé et/ou numérique] / F. S. ZWART, Auteur ; Constance T. W. M. VISSERS, Auteur ; J. H. R. MAES, Auteur . - p.2692-2700.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 48-8 (August 2018) . - p.2692-2700
Mots-clés : Asd Implicit learning Srs-a SRT task Social impairments Index. décimale : PER Périodiques Résumé : It is assumed that learning on the Serial Reaction Time (SRT) task is related to learning involved in social skill development affected in autism, but this assumption has hardly been investigated. We have therefore examined associations between SRT task learning and social impairment measured by the Social Responsiveness Scale in 72 autistic and non-autistic adults. Results revealed a positive correlation between deterministic sequence learning, putatively involving explicit learning, and social impairment in autistic adults but not in non-autistic adults. No correlations with probabilistic learning were found. These results suggest that the type of learning that helps autistic adults during a deterministic SRT task hinders them during social development, and call for further investigating the ecological validity of the SRT task. En ligne : http://dx.doi.org/10.1007/s10803-018-3529-6 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=367 Brief Report: Biological Sound Processing in Children with Autistic Spectrum Disorder / Melissa LORTIE in Journal of Autism and Developmental Disorders, 47-6 (June 2017)
[article]
Titre : Brief Report: Biological Sound Processing in Children with Autistic Spectrum Disorder Type de document : Texte imprimé et/ou numérique Auteurs : Melissa LORTIE, Auteur ; Léa PROULX-BEGIN, Auteur ; Dave SAINT-AMOUR, Auteur ; Dominique COUSINEAU, Auteur ; Hugo THEORET, Auteur ; Jean-François LEPAGE, Auteur Article en page(s) : p.1904-1909 Langues : Anglais (eng) Mots-clés : Social impairments Event related potentials EEG Biological actions Auditory Attention Novelty detection MMN P3 Index. décimale : PER Périodiques Résumé : There is debate whether social impairments in autism spectrum disorder (ASD) are truly domain-specific, or if they reflect generalized deficits in lower-level cognitive processes. To solve this issue, we used auditory-evoked EEG responses to assess novelty detection (MMN component) and involuntary attentional orientation (P3 component) induced by socially-relevant, human-produced, biological sounds and acoustically-matched control stimuli in children with ASD and controls. Results show that early sensory and novelty processing of biological stimuli are preserved in ASD, but that automatic attentional orientation for biological sounds is markedly altered. These results support the notion that at least some cognitive processes of ASD are specifically altered when it comes to processing social stimuli. En ligne : http://dx.doi.org/10.1007/s10803-017-3093-5 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=308
in Journal of Autism and Developmental Disorders > 47-6 (June 2017) . - p.1904-1909[article] Brief Report: Biological Sound Processing in Children with Autistic Spectrum Disorder [Texte imprimé et/ou numérique] / Melissa LORTIE, Auteur ; Léa PROULX-BEGIN, Auteur ; Dave SAINT-AMOUR, Auteur ; Dominique COUSINEAU, Auteur ; Hugo THEORET, Auteur ; Jean-François LEPAGE, Auteur . - p.1904-1909.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 47-6 (June 2017) . - p.1904-1909
Mots-clés : Social impairments Event related potentials EEG Biological actions Auditory Attention Novelty detection MMN P3 Index. décimale : PER Périodiques Résumé : There is debate whether social impairments in autism spectrum disorder (ASD) are truly domain-specific, or if they reflect generalized deficits in lower-level cognitive processes. To solve this issue, we used auditory-evoked EEG responses to assess novelty detection (MMN component) and involuntary attentional orientation (P3 component) induced by socially-relevant, human-produced, biological sounds and acoustically-matched control stimuli in children with ASD and controls. Results show that early sensory and novelty processing of biological stimuli are preserved in ASD, but that automatic attentional orientation for biological sounds is markedly altered. These results support the notion that at least some cognitive processes of ASD are specifically altered when it comes to processing social stimuli. En ligne : http://dx.doi.org/10.1007/s10803-017-3093-5 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=308 Age of autism spectrum disorder diagnosis is associated with child's variables and parental experience / Ram A. MISHAAL in Research in Autism Spectrum Disorders, 8-7 (July 2014)
[article]
Titre : Age of autism spectrum disorder diagnosis is associated with child's variables and parental experience Type de document : Texte imprimé et/ou numérique Auteurs : Ram A. MISHAAL, Auteur ; Esther BEN-ITZCHAK, Auteur ; Ditza A. ZACHOR, Auteur Article en page(s) : p.873-880 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder (ASD) Age of diagnosis Social impairments Restricted and repetitive behaviors Developmental regression Adaptive functioning First born child Index. décimale : PER Périodiques Résumé : Abstract Early diagnosis of autism spectrum disorder (ASD) is highly important as it enables an early start to intervention. The current study examined familial (parental ages; education; having an older sibling) and child (gender; reported and observed autism symptoms severity; adaptive skills) related variables that might predict the age of ASD diagnosis. The study included 551 participants, age range 15–72 months, diagnosed with ASD who underwent comprehensive medical and behavioral assessment using standardized tests. Of the child's examined variables, the severity of the social interaction impairment reported by the parents and having a history of developmental regression was associated with an earlier age of ASD diagnosis. In contrast, the severity of the restricted and repetitive behaviors was associated with delayed age of ASD diagnosis. Vineland Adaptive Behavior Scales scores lower or higher than the group's mean (70 points) were associated with a relatively delayed age of ASD diagnosis. Of the familial variables, only having an older sibling was associated with an earlier diagnosis. Professionals should be aware that subtle signs of ASD, developmental delay and close to normal adaptive functioning might delay age of ASD diagnosis. Educating parents on “red flags” for ASD and periodic surveillance in early childhood are important. En ligne : http://dx.doi.org/10.1016/j.rasd.2014.04.001 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=233
in Research in Autism Spectrum Disorders > 8-7 (July 2014) . - p.873-880[article] Age of autism spectrum disorder diagnosis is associated with child's variables and parental experience [Texte imprimé et/ou numérique] / Ram A. MISHAAL, Auteur ; Esther BEN-ITZCHAK, Auteur ; Ditza A. ZACHOR, Auteur . - p.873-880.
Langues : Anglais (eng)
in Research in Autism Spectrum Disorders > 8-7 (July 2014) . - p.873-880
Mots-clés : Autism spectrum disorder (ASD) Age of diagnosis Social impairments Restricted and repetitive behaviors Developmental regression Adaptive functioning First born child Index. décimale : PER Périodiques Résumé : Abstract Early diagnosis of autism spectrum disorder (ASD) is highly important as it enables an early start to intervention. The current study examined familial (parental ages; education; having an older sibling) and child (gender; reported and observed autism symptoms severity; adaptive skills) related variables that might predict the age of ASD diagnosis. The study included 551 participants, age range 15–72 months, diagnosed with ASD who underwent comprehensive medical and behavioral assessment using standardized tests. Of the child's examined variables, the severity of the social interaction impairment reported by the parents and having a history of developmental regression was associated with an earlier age of ASD diagnosis. In contrast, the severity of the restricted and repetitive behaviors was associated with delayed age of ASD diagnosis. Vineland Adaptive Behavior Scales scores lower or higher than the group's mean (70 points) were associated with a relatively delayed age of ASD diagnosis. Of the familial variables, only having an older sibling was associated with an earlier diagnosis. Professionals should be aware that subtle signs of ASD, developmental delay and close to normal adaptive functioning might delay age of ASD diagnosis. Educating parents on “red flags” for ASD and periodic surveillance in early childhood are important. En ligne : http://dx.doi.org/10.1016/j.rasd.2014.04.001 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=233