[article] 
inJournal of Autism and Developmental Disorders > 42-6 (June 2012) . - p.961-970

Titre :	Postural Hypo-Reactivity in Autism is Contingent on Development and Visual Environment: A Fully Immersive Virtual Reality Study
Type de document :	Texte imprimé et/ou numérique
Auteurs :	Selma GREFFOU, Auteur ; Armando BERTONE, Auteur ; Eva-Maria HAHLER, Auteur ; Jean-Marie HANSSENS, Auteur ; Laurent MOTTRON, Auteur ; Jocelyn FAUBERT, Auteur
Année de publication :	2012
Article en page(s) :	p.961-970
Langues :	Anglais (eng)
Mots-clés :	Autism  Posture  Development  Sensorimotor  Virtual reality  Motion perception
Index. décimale :	PER Périodiques
Résumé :	Although atypical motor behaviors have been associated with autism, investigations regarding their possible origins are scarce. This study assessed the visual and vestibular components involved in atypical postural reactivity in autism. Postural reactivity and stability were measured for younger (12–15 years) and older (16–33 years) autistic participants in response to a virtual tunnel oscillating at different frequencies. At the highest oscillation frequency, younger autistic participants showed significantly less instability compared to younger typically-developing participants; no such group differences were evidenced for older participants. Additionally, no significant differences in postural behavior were found between all 4 groups when presented with static or without visual information. Results confirm that postural hypo-reactivity to visual information is present in autism, but is contingent on both visual environment and development.
En ligne :	http://dx.doi.org/10.1007/s10803-011-1326-6
Permalink :	https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=156

[article] Postural Hypo-Reactivity in Autism is Contingent on Development and Visual Environment: A Fully Immersive Virtual Reality Study [Texte imprimé et/ou numérique] / Selma GREFFOU, Auteur ; Armando BERTONE, Auteur ; Eva-Maria HAHLER, Auteur ; Jean-Marie HANSSENS, Auteur ; Laurent MOTTRON, Auteur ; Jocelyn FAUBERT, Auteur . - 2012 . - p.961-970.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 42-6 (June 2012) . - p.961-970

Mots-clés :	Autism  Posture  Development  Sensorimotor  Virtual reality  Motion perception
Index. décimale :	PER Périodiques
Résumé :	Although atypical motor behaviors have been associated with autism, investigations regarding their possible origins are scarce. This study assessed the visual and vestibular components involved in atypical postural reactivity in autism. Postural reactivity and stability were measured for younger (12–15 years) and older (16–33 years) autistic participants in response to a virtual tunnel oscillating at different frequencies. At the highest oscillation frequency, younger autistic participants showed significantly less instability compared to younger typically-developing participants; no such group differences were evidenced for older participants. Additionally, no significant differences in postural behavior were found between all 4 groups when presented with static or without visual information. Results confirm that postural hypo-reactivity to visual information is present in autism, but is contingent on both visual environment and development.
En ligne :	http://dx.doi.org/10.1007/s10803-011-1326-6
Permalink :	https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=156