Centre d'Information et de documentation du CRA Rhône-Alpes
CRA
Informations pratiques
-
Adresse
Centre d'information et de documentation
du CRA Rhône-Alpes
Centre Hospitalier le Vinatier
bât 211
95, Bd Pinel
69678 Bron CedexHoraires
Lundi au Vendredi
9h00-12h00 13h30-16h00Contact
Tél: +33(0)4 37 91 54 65
Mail
Fax: +33(0)4 37 91 54 37
-
Résultat de la recherche
2 recherche sur le mot-clé 'tactile processing'
Affiner la recherche Générer le flux rss de la recherche
Partager le résultat de cette recherche Faire une suggestion
Altered tactile processing in children with autism spectrum disorder / Teresa TAVASSOLI in Autism Research, 9-6 (June 2016)
[article]
Titre : Altered tactile processing in children with autism spectrum disorder Type de document : Texte imprimé et/ou numérique Auteurs : Teresa TAVASSOLI, Auteur ; Katherine BELLESHEIM, Auteur ; Mark TOMMERDAHL, Auteur ; Jameson M. HOLDEN, Auteur ; Alexander KOLEVZON, Auteur ; Joseph D. BUXBAUM, Auteur Article en page(s) : p.616-620 Langues : Anglais (eng) Mots-clés : tactile processing inhibition autism spectrum disorder GABA Index. décimale : PER Périodiques Résumé : Although tactile reactivity issues are commonly reported in children with autism spectrum disorder (ASD), the underlying mechanisms are poorly understood. Less feed-forward inhibition has been proposed as a potential mechanism for some symptoms of ASD. We tested static and dynamic tactile thresholds as a behavioral proxy of feed-forward inhibition in 42 children (21 children with ASD and 21 typically developing [TD] children). Subthreshold conditioning typically raises the dynamic detection threshold, thus comparison of the dynamic to the static threshold generates a metric that predicts gamma-aminobutyric acid (GABA) mediated feed-forward inhibition. Children with ASD had marginally higher static thresholds and a significantly lower ratio between thresholds as compared with TD children. The lower ratio, only seen in children with ASD, might be indicative of less inhibition. Static thresholds were correlated with autism spectrum quotient scores, indicating the higher the tactile threshold, the more ASD traits. The amount of feed-forward inhibition (ratio between dynamic/static) was negatively correlated with autism diagnostic observation schedule repetitive behavior scores, meaning the less inhibition the more ASD symptoms. In summary, children with ASD showed altered tactile processing compared with TD children; thus measuring static and dynamic thresholds could be a potential biomarker for ASD and might be useful for prediction of treatment response with therapeutics, including those that target the GABAergic system. Autism Res 2016, 9: 616–620. © 2015 International Society for Autism Research, Wiley Periodicals, Inc. En ligne : http://dx.doi.org/10.1002/aur.1563 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=290
in Autism Research > 9-6 (June 2016) . - p.616-620[article] Altered tactile processing in children with autism spectrum disorder [Texte imprimé et/ou numérique] / Teresa TAVASSOLI, Auteur ; Katherine BELLESHEIM, Auteur ; Mark TOMMERDAHL, Auteur ; Jameson M. HOLDEN, Auteur ; Alexander KOLEVZON, Auteur ; Joseph D. BUXBAUM, Auteur . - p.616-620.
Langues : Anglais (eng)
in Autism Research > 9-6 (June 2016) . - p.616-620
Mots-clés : tactile processing inhibition autism spectrum disorder GABA Index. décimale : PER Périodiques Résumé : Although tactile reactivity issues are commonly reported in children with autism spectrum disorder (ASD), the underlying mechanisms are poorly understood. Less feed-forward inhibition has been proposed as a potential mechanism for some symptoms of ASD. We tested static and dynamic tactile thresholds as a behavioral proxy of feed-forward inhibition in 42 children (21 children with ASD and 21 typically developing [TD] children). Subthreshold conditioning typically raises the dynamic detection threshold, thus comparison of the dynamic to the static threshold generates a metric that predicts gamma-aminobutyric acid (GABA) mediated feed-forward inhibition. Children with ASD had marginally higher static thresholds and a significantly lower ratio between thresholds as compared with TD children. The lower ratio, only seen in children with ASD, might be indicative of less inhibition. Static thresholds were correlated with autism spectrum quotient scores, indicating the higher the tactile threshold, the more ASD traits. The amount of feed-forward inhibition (ratio between dynamic/static) was negatively correlated with autism diagnostic observation schedule repetitive behavior scores, meaning the less inhibition the more ASD symptoms. In summary, children with ASD showed altered tactile processing compared with TD children; thus measuring static and dynamic thresholds could be a potential biomarker for ASD and might be useful for prediction of treatment response with therapeutics, including those that target the GABAergic system. Autism Res 2016, 9: 616–620. © 2015 International Society for Autism Research, Wiley Periodicals, Inc. En ligne : http://dx.doi.org/10.1002/aur.1563 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=290 Sensory Overresponsivity as a Predictor of Amplitude Discrimination Performance in Youth with ASD / Elizabeth P. MCKERNAN in Journal of Autism and Developmental Disorders, 50-9 (September 2020)
[article]
Titre : Sensory Overresponsivity as a Predictor of Amplitude Discrimination Performance in Youth with ASD Type de document : Texte imprimé et/ou numérique Auteurs : Elizabeth P. MCKERNAN, Auteur ; Ying WU, Auteur ; Natalie RUSSO, Auteur Article en page(s) : p.3140-3148 Langues : Anglais (eng) Mots-clés : Amplitude discrimination Autism spectrum disorder Sensory overresponsivity Tactile processing Index. décimale : PER Périodiques Résumé : Previous studies have suggested that sensory overresponsivity in youth with autism spectrum disorder (ASD) may be due to a failure to habituate to stimuli. We examined the relationship between performance on three tactile psychophysical tasks and the construct of sensory overresponsivity in children with and without ASD. Sensory overresponsivity predicted amplitude discrimination with an adapting stimulus, as well as the effect of adaptation, for ASD youth. Results replicate previous research that children with ASD are less affected by the presence of an adapting stimulus as compared to typically developing children, and further suggest that sensory overresponsivity may be the mechanism underlying the observed lack of an adaptation effect in children with ASD. En ligne : http://dx.doi.org/10.1007/s10803-019-04013-0 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=430
in Journal of Autism and Developmental Disorders > 50-9 (September 2020) . - p.3140-3148[article] Sensory Overresponsivity as a Predictor of Amplitude Discrimination Performance in Youth with ASD [Texte imprimé et/ou numérique] / Elizabeth P. MCKERNAN, Auteur ; Ying WU, Auteur ; Natalie RUSSO, Auteur . - p.3140-3148.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 50-9 (September 2020) . - p.3140-3148
Mots-clés : Amplitude discrimination Autism spectrum disorder Sensory overresponsivity Tactile processing Index. décimale : PER Périodiques Résumé : Previous studies have suggested that sensory overresponsivity in youth with autism spectrum disorder (ASD) may be due to a failure to habituate to stimuli. We examined the relationship between performance on three tactile psychophysical tasks and the construct of sensory overresponsivity in children with and without ASD. Sensory overresponsivity predicted amplitude discrimination with an adapting stimulus, as well as the effect of adaptation, for ASD youth. Results replicate previous research that children with ASD are less affected by the presence of an adapting stimulus as compared to typically developing children, and further suggest that sensory overresponsivity may be the mechanism underlying the observed lack of an adaptation effect in children with ASD. En ligne : http://dx.doi.org/10.1007/s10803-019-04013-0 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=430