Atypical visuomotor performance in children with PDD / Wim A.J.M. SCHLOOZ in Research in Autism Spectrum Disorders, 6-1 (January-March 2012)  

Public ISBD [article]  inResearch in Autism Spectrum Disorders > 6-1 (January-March 2012) . - p.326-336 Titre : Atypical visuomotor performance in children with PDD Type de document : Texte imprimé et/ou numérique Auteurs : Wim A.J.M. SCHLOOZ, Auteur ; Wouter HULSTIJN, Auteur Année de publication : 2012 Article en page(s) : p.326-336 Langues : Anglais (eng) Mots-clés : Autism  PDD-NOS  Tourette syndrome  Visual perception  Visuomotor performance Index. décimale : PER Périodiques Résumé : Children with autism spectrum disorders (ASD) frequently encounter difficulties in visuomotor tasks, which are possibly caused by atypical visuoperceptual processing. This was tested in children (aged 9–12 years) with pervasive developmental disorder (PDD; including PDD-NOS and Asperger syndrome), and two same-age control groups (Tourette syndrome and typical developers) using two tasks: a visual and non-visual tactile tracking task (modified from Hermelin and O’Connor, 1970 B. Hermelin and N. O’Connor, Perception and perceptual deficits, B. Hermelin, N. O’Connor, Editors , Psychological experiments with autistic children, Pergamon Press Ltd., Oxford (1970), pp. 24–60. Hermelin & O’Connor 1970 task) and the Developmental Test of Visual-Motor Integration (VMI). Both tasks revealed marked differences between the PDD group and the controls. Confirming Hermelin and O’Connor's findings in ‘classical’ autism, the children with PDD were faster than the controls on the non-visual tracking task, whereas they performed similarly to the controls when they could see the tracks. However, VMI copy scores were lowest for the children with PDD, while their scores on the visual perception and motor coordination subtests did not differ from the controls. The results support observations of an atypical visuomotor performance in children with PDD, which appears to derive from a deviant use of visual information in planning and guiding movements. En ligne : http://dx.doi.org/10.1016/j.rasd.2011.06.006 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=146 [article] Atypical visuomotor performance in children with PDD [Texte imprimé et/ou numérique] / Wim A.J.M. SCHLOOZ, Auteur ; Wouter HULSTIJN, Auteur . - 2012 . - p.326-336. Langues : Anglais (eng) in Research in Autism Spectrum Disorders > 6-1 (January-March 2012) . - p.326-336 Mots-clés : Autism  PDD-NOS  Tourette syndrome  Visual perception  Visuomotor performance Index. décimale : PER Périodiques Résumé : Children with autism spectrum disorders (ASD) frequently encounter difficulties in visuomotor tasks, which are possibly caused by atypical visuoperceptual processing. This was tested in children (aged 9–12 years) with pervasive developmental disorder (PDD; including PDD-NOS and Asperger syndrome), and two same-age control groups (Tourette syndrome and typical developers) using two tasks: a visual and non-visual tactile tracking task (modified from Hermelin and O’Connor, 1970 B. Hermelin and N. O’Connor, Perception and perceptual deficits, B. Hermelin, N. O’Connor, Editors , Psychological experiments with autistic children, Pergamon Press Ltd., Oxford (1970), pp. 24–60. Hermelin & O’Connor 1970 task) and the Developmental Test of Visual-Motor Integration (VMI). Both tasks revealed marked differences between the PDD group and the controls. Confirming Hermelin and O’Connor's findings in ‘classical’ autism, the children with PDD were faster than the controls on the non-visual tracking task, whereas they performed similarly to the controls when they could see the tracks. However, VMI copy scores were lowest for the children with PDD, while their scores on the visual perception and motor coordination subtests did not differ from the controls. The results support observations of an atypical visuomotor performance in children with PDD, which appears to derive from a deviant use of visual information in planning and guiding movements. En ligne : http://dx.doi.org/10.1016/j.rasd.2011.06.006 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=146

Boys with autism spectrum disorders show superior performance on the adult Embedded Figures Test / Wim A. J. M. SCHLOOZ in Research in Autism Spectrum Disorders, 8-1 (January 2014)  

Public ISBD [article]  inResearch in Autism Spectrum Disorders > 8-1 (January 2014) . - p.1-7 Titre : Boys with autism spectrum disorders show superior performance on the adult Embedded Figures Test Type de document : Texte imprimé et/ou numérique Auteurs : Wim A. J. M. SCHLOOZ, Auteur ; Wouter HULSTIJN, Auteur Article en page(s) : p.1-7 Langues : Anglais (eng) Mots-clés : Autism  PDD-NOS  Embedded Figures Test  Central coherence  Cognitive development Index. décimale : PER Périodiques Résumé : Abstract Weak central coherence is frequently studied using the Embedded Figures Test (EFT) yielding mixed and ambiguous results. In this study, the performance of 36 boys (9–14 years) with Autism Spectrum Disorders (ASD) is compared with that of 46 typical peers using both the children's and the adult version of the EFT. Only in the adult version did the ASD group outperform the controls in terms of accuracy. Corrected for age and pIQ, a subgroup of boys with Autistic Disorder (AD) showed superior perceptual processing capacities, while the performance of boys with PDD-NOS and Asperger Syndrome was in between that of those with AD and the controls. The findings strongly suggest that children and adolescents with ASD will only show superior results on visual-perceptual tests if the task complexity and thus their sensitivity is sufficiently high to challenge typically developing age-matched peers. En ligne : http://dx.doi.org/10.1016/j.rasd.2013.10.004 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=219 [article] Boys with autism spectrum disorders show superior performance on the adult Embedded Figures Test [Texte imprimé et/ou numérique] / Wim A. J. M. SCHLOOZ, Auteur ; Wouter HULSTIJN, Auteur . - p.1-7. Langues : Anglais (eng) in Research in Autism Spectrum Disorders > 8-1 (January 2014) . - p.1-7 Mots-clés : Autism  PDD-NOS  Embedded Figures Test  Central coherence  Cognitive development Index. décimale : PER Périodiques Résumé : Abstract Weak central coherence is frequently studied using the Embedded Figures Test (EFT) yielding mixed and ambiguous results. In this study, the performance of 36 boys (9–14 years) with Autism Spectrum Disorders (ASD) is compared with that of 46 typical peers using both the children's and the adult version of the EFT. Only in the adult version did the ASD group outperform the controls in terms of accuracy. Corrected for age and pIQ, a subgroup of boys with Autistic Disorder (AD) showed superior perceptual processing capacities, while the performance of boys with PDD-NOS and Asperger Syndrome was in between that of those with AD and the controls. The findings strongly suggest that children and adolescents with ASD will only show superior results on visual-perceptual tests if the task complexity and thus their sensitivity is sufficiently high to challenge typically developing age-matched peers. En ligne : http://dx.doi.org/10.1016/j.rasd.2013.10.004 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=219

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