Brief Report: Visual Acuity in Children with Autism Spectrum Disorders / Matthew A. ALBRECHT in Journal of Autism and Developmental Disorders, 44-9 (September 2014)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 44-9 (September 2014) . - p.2369-2374 Titre : Brief Report: Visual Acuity in Children with Autism Spectrum Disorders Type de document : Texte imprimé et/ou numérique Auteurs : Matthew A. ALBRECHT, Auteur ; Geoffrey W. STUART, Auteur ; Marita FALKMER, Auteur ; Anna ORDQVIST, Auteur ; Denise LEUNG, Auteur ; Jonathan K. FOSTER, Auteur ; Torbjörn FALKMER, Auteur Article en page(s) : p.2369-2374 Langues : Anglais (eng) Mots-clés : Asperger syndrome  Case control study  ETDRS  High functioning autism  Perception  Vision Index. décimale : PER Périodiques Résumé : Recently, there has been heightened interest in suggestions of enhanced visual acuity in autism spectrum disorders (ASD) which was sparked by evidence that was later accepted to be methodologically flawed. However, a recent study that claimed children with ASD have enhanced visual acuity (Brosnan et al. in J Autism Dev Disord 42:2491–2497, 2012) repeated a critical methodological flaw by using an inappropriate viewing distance for a computerised acuity test, placing the findings in doubt. We examined visual acuity in 31 children with ASD and 33 controls using the 2 m 2000 Series Revised Early Treatment Diabetic Retinopathy Study chart placed at twice the conventional distance to better evaluate possible enhanced acuity. Children with ASD did not demonstrate superior acuity. The current findings strengthen the argument that reports of enhanced acuity in ASD are due to methodological flaws and challenges the reported association between visual acuity and systemising type behaviours. En ligne : http://dx.doi.org/10.1007/s10803-014-2086-x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=238 [article] Brief Report: Visual Acuity in Children with Autism Spectrum Disorders [Texte imprimé et/ou numérique] / Matthew A. ALBRECHT, Auteur ; Geoffrey W. STUART, Auteur ; Marita FALKMER, Auteur ; Anna ORDQVIST, Auteur ; Denise LEUNG, Auteur ; Jonathan K. FOSTER, Auteur ; Torbjörn FALKMER, Auteur . - p.2369-2374. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 44-9 (September 2014) . - p.2369-2374 Mots-clés : Asperger syndrome  Case control study  ETDRS  High functioning autism  Perception  Vision Index. décimale : PER Périodiques Résumé : Recently, there has been heightened interest in suggestions of enhanced visual acuity in autism spectrum disorders (ASD) which was sparked by evidence that was later accepted to be methodologically flawed. However, a recent study that claimed children with ASD have enhanced visual acuity (Brosnan et al. in J Autism Dev Disord 42:2491–2497, 2012) repeated a critical methodological flaw by using an inappropriate viewing distance for a computerised acuity test, placing the findings in doubt. We examined visual acuity in 31 children with ASD and 33 controls using the 2 m 2000 Series Revised Early Treatment Diabetic Retinopathy Study chart placed at twice the conventional distance to better evaluate possible enhanced acuity. Children with ASD did not demonstrate superior acuity. The current findings strengthen the argument that reports of enhanced acuity in ASD are due to methodological flaws and challenges the reported association between visual acuity and systemising type behaviours. En ligne : http://dx.doi.org/10.1007/s10803-014-2086-x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=238

Visual search strategies during facial recognition in children with ASD / Matthew A. ALBRECHT in Research in Autism Spectrum Disorders, 8-5 (May 2014)  

Public ISBD [article]  inResearch in Autism Spectrum Disorders > 8-5 (May 2014) . - p.559-569 Titre : Visual search strategies during facial recognition in children with ASD Type de document : Texte imprimé et/ou numérique Auteurs : Matthew A. ALBRECHT, Auteur ; Jonathan K. FOSTER, Auteur ; Annette V. JOOSTEN, Auteur ; Marita FALKMER, Auteur ; Julia S. Y. TANG, Auteur ; Denise LEUNG, Auteur ; Anna ORDQVIST, Auteur ; Torbjörn FALKMER, Auteur Article en page(s) : p.559-569 Mots-clés : Face recognition  Eye-tracking  Developmental  Visual search Index. décimale : PER Périodiques Résumé : Facial recognition is a complex skill necessary for successful human interpersonal and social interactions. Given that the most prevalent disorder of social interaction is autism spectrum disorder (ASD), a number of studies have investigated and found impaired facial recognition abilities in people with ASD. Further, this impairment may be critically involved in mediating the deficits in interpersonal and social interactions in people with ASD. We sought to address the question of whether face processing is impaired in children with ASD in the current study. While there were a number of differences in visual search behaviours between the 19 children with ASD and the 15 controls, this did not manifest in deficits in facial recognition accuracy. In addition, there were notable differences with respect to eye fixation behaviours and recognition accuracy in this study compared to the findings in a previous similar study conducted in adults with ASD. These differences suggest a performance enhancing developmental trajectory in facial processing in controls that may not be present in individuals with ASD. En ligne : http://dx.doi.org/10.1016/j.rasd.2014.01.014 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=229 [article] Visual search strategies during facial recognition in children with ASD [Texte imprimé et/ou numérique] / Matthew A. ALBRECHT, Auteur ; Jonathan K. FOSTER, Auteur ; Annette V. JOOSTEN, Auteur ; Marita FALKMER, Auteur ; Julia S. Y. TANG, Auteur ; Denise LEUNG, Auteur ; Anna ORDQVIST, Auteur ; Torbjörn FALKMER, Auteur . - p.559-569. in Research in Autism Spectrum Disorders > 8-5 (May 2014) . - p.559-569 Mots-clés : Face recognition  Eye-tracking  Developmental  Visual search Index. décimale : PER Périodiques Résumé : Facial recognition is a complex skill necessary for successful human interpersonal and social interactions. Given that the most prevalent disorder of social interaction is autism spectrum disorder (ASD), a number of studies have investigated and found impaired facial recognition abilities in people with ASD. Further, this impairment may be critically involved in mediating the deficits in interpersonal and social interactions in people with ASD. We sought to address the question of whether face processing is impaired in children with ASD in the current study. While there were a number of differences in visual search behaviours between the 19 children with ASD and the 15 controls, this did not manifest in deficits in facial recognition accuracy. In addition, there were notable differences with respect to eye fixation behaviours and recognition accuracy in this study compared to the findings in a previous similar study conducted in adults with ASD. These differences suggest a performance enhancing developmental trajectory in facial processing in controls that may not be present in individuals with ASD. En ligne : http://dx.doi.org/10.1016/j.rasd.2014.01.014 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=229

Visual search strategies of children with and without autism spectrum disorders during an embedded figures task / Chiara HORLIN in Research in Autism Spectrum Disorders, 8-5 (May 2014)  

Public ISBD [article]  inResearch in Autism Spectrum Disorders > 8-5 (May 2014) . - p.463-471 Titre : Visual search strategies of children with and without autism spectrum disorders during an embedded figures task Type de document : Texte imprimé et/ou numérique Auteurs : Chiara HORLIN, Auteur ; Matthew A. ALBRECHT, Auteur ; Marita FALKMER, Auteur ; Denise LEUNG, Auteur ; Anna ORDQVIST, Auteur ; Tele TAN, Auteur ; Wee Lih LEE, Auteur ; Torbjörn FALKMER, Auteur Article en page(s) : p.463-471 Mots-clés : ASD  Eye tracking  Embedded figures test  Visual search Index. décimale : PER Périodiques Résumé : Individuals with ASD often demonstrate superior performance on embedded figures tasks (EFTs). We investigated visual scanning behaviour in children with ASD during an EFT in an attempt replicating a previous study examining differences in visual search behaviour. Twenty-three children with, and 31 children without an ASD were shown 16 items from the Figure-Ground subtest of the TVPS-3 while wearing an eye tracker. Children with ASD exhibited fewer fixations, and less time per fixation, on the target figure. Accuracy was similar between the two groups. There were no other noteworthy differences between children with and without ASD. Differences in visual scanning patterns in the presence of typical behavioural performance suggest that any purported differences in processing style may not be detrimental to cognitive performance and further refinement of the current methodology may lead to support for a purported advantageous cognitive style. En ligne : http://dx.doi.org/10.1016/j.rasd.2014.01.006 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=229 [article] Visual search strategies of children with and without autism spectrum disorders during an embedded figures task [Texte imprimé et/ou numérique] / Chiara HORLIN, Auteur ; Matthew A. ALBRECHT, Auteur ; Marita FALKMER, Auteur ; Denise LEUNG, Auteur ; Anna ORDQVIST, Auteur ; Tele TAN, Auteur ; Wee Lih LEE, Auteur ; Torbjörn FALKMER, Auteur . - p.463-471. in Research in Autism Spectrum Disorders > 8-5 (May 2014) . - p.463-471 Mots-clés : ASD  Eye tracking  Embedded figures test  Visual search Index. décimale : PER Périodiques Résumé : Individuals with ASD often demonstrate superior performance on embedded figures tasks (EFTs). We investigated visual scanning behaviour in children with ASD during an EFT in an attempt replicating a previous study examining differences in visual search behaviour. Twenty-three children with, and 31 children without an ASD were shown 16 items from the Figure-Ground subtest of the TVPS-3 while wearing an eye tracker. Children with ASD exhibited fewer fixations, and less time per fixation, on the target figure. Accuracy was similar between the two groups. There were no other noteworthy differences between children with and without ASD. Differences in visual scanning patterns in the presence of typical behavioural performance suggest that any purported differences in processing style may not be detrimental to cognitive performance and further refinement of the current methodology may lead to support for a purported advantageous cognitive style. En ligne : http://dx.doi.org/10.1016/j.rasd.2014.01.006 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=229

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