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Embedded Figures Test Performance in the Broader Autism Phenotype: A Meta-analysis / Serena J. CRIBB in Journal of Autism and Developmental Disorders, 46-9 (September 2016)
[article]
Titre : Embedded Figures Test Performance in the Broader Autism Phenotype: A Meta-analysis Type de document : Texte imprimé et/ou numérique Auteurs : Serena J. CRIBB, Auteur ; Michelle OLAITHE, Auteur ; Renata DI LORENZO, Auteur ; Patrick D. DUNLOP, Auteur ; Murray T. MAYBERY, Auteur Article en page(s) : p.2924-2939 Langues : Anglais (eng) Mots-clés : Autism-Spectrum Quotient Broader autism phenotype Embedded Figures Test Visual perception Index. décimale : PER Périodiques Résumé : People with autism show superior performance to controls on the Embedded Figures Test (EFT). However, studies examining the relationship between autistic-like traits and EFT performance in neurotypical individuals have yielded inconsistent findings. To examine the inconsistency, a meta-analysis was conducted of studies that (a) compared high and low Autism-Spectrum Quotient (AQ) groups, and (b) treated AQ as a continuous variable. Outcomes are consistent with superior visual search forming part of the broader autism phenotype, but in existing literature, this is evident only when comparing extreme groups. Reanalysis of data from previous studies suggests findings are unlikely to be driven by a small number of high scorers. Monte Carlo simulations are used to illustrate the effect of methodological differences on results. En ligne : http://dx.doi.org/10.1007/s10803-016-2832-3 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=292
in Journal of Autism and Developmental Disorders > 46-9 (September 2016) . - p.2924-2939[article] Embedded Figures Test Performance in the Broader Autism Phenotype: A Meta-analysis [Texte imprimé et/ou numérique] / Serena J. CRIBB, Auteur ; Michelle OLAITHE, Auteur ; Renata DI LORENZO, Auteur ; Patrick D. DUNLOP, Auteur ; Murray T. MAYBERY, Auteur . - p.2924-2939.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 46-9 (September 2016) . - p.2924-2939
Mots-clés : Autism-Spectrum Quotient Broader autism phenotype Embedded Figures Test Visual perception Index. décimale : PER Périodiques Résumé : People with autism show superior performance to controls on the Embedded Figures Test (EFT). However, studies examining the relationship between autistic-like traits and EFT performance in neurotypical individuals have yielded inconsistent findings. To examine the inconsistency, a meta-analysis was conducted of studies that (a) compared high and low Autism-Spectrum Quotient (AQ) groups, and (b) treated AQ as a continuous variable. Outcomes are consistent with superior visual search forming part of the broader autism phenotype, but in existing literature, this is evident only when comparing extreme groups. Reanalysis of data from previous studies suggests findings are unlikely to be driven by a small number of high scorers. Monte Carlo simulations are used to illustrate the effect of methodological differences on results. En ligne : http://dx.doi.org/10.1007/s10803-016-2832-3 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=292 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)
[article]
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
in Research in Autism Spectrum Disorders > 8-1 (January 2014) . - p.1-7[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 Visual Processing in Adolescents with Autism Spectrum Disorder: Evidence from Embedded Figures and Configural Superiority Tests / Claudia DILLEN in Journal of Autism and Developmental Disorders, 45-5 (May 2015)
[article]
Titre : Visual Processing in Adolescents with Autism Spectrum Disorder: Evidence from Embedded Figures and Configural Superiority Tests Type de document : Texte imprimé et/ou numérique Auteurs : Claudia DILLEN, Auteur ; Jean STEYAERT, Auteur ; Hans P. OP DE BEECK, Auteur ; Bart BOETS, Auteur Article en page(s) : p.1281-1290 Langues : Anglais (eng) Mots-clés : Autism spectrum disorders Embedded figures test Configural superiority effect Vision Index. décimale : PER Périodiques Résumé : The embedded figures test has often been used to reveal weak central coherence in individuals with autism spectrum disorder (ASD). Here, we administered a more standardized automated version of the embedded figures test in combination with the configural superiority task, to investigate the effect of contextual modulation on local feature detection in 23 adolescents with ASD and 26 matched typically developing controls. On both tasks both groups performed largely similarly in terms of accuracy and reaction time, and both displayed the contextual modulation effect. This indicates that individuals with ASD are equally sensitive compared to typically developing individuals to the contextual effects of the task and that there is no evidence for a local processing bias in adolescents with ASD. En ligne : http://dx.doi.org/10.1007/s10803-014-2288-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=259
in Journal of Autism and Developmental Disorders > 45-5 (May 2015) . - p.1281-1290[article] Visual Processing in Adolescents with Autism Spectrum Disorder: Evidence from Embedded Figures and Configural Superiority Tests [Texte imprimé et/ou numérique] / Claudia DILLEN, Auteur ; Jean STEYAERT, Auteur ; Hans P. OP DE BEECK, Auteur ; Bart BOETS, Auteur . - p.1281-1290.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 45-5 (May 2015) . - p.1281-1290
Mots-clés : Autism spectrum disorders Embedded figures test Configural superiority effect Vision Index. décimale : PER Périodiques Résumé : The embedded figures test has often been used to reveal weak central coherence in individuals with autism spectrum disorder (ASD). Here, we administered a more standardized automated version of the embedded figures test in combination with the configural superiority task, to investigate the effect of contextual modulation on local feature detection in 23 adolescents with ASD and 26 matched typically developing controls. On both tasks both groups performed largely similarly in terms of accuracy and reaction time, and both displayed the contextual modulation effect. This indicates that individuals with ASD are equally sensitive compared to typically developing individuals to the contextual effects of the task and that there is no evidence for a local processing bias in adolescents with ASD. En ligne : http://dx.doi.org/10.1007/s10803-014-2288-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=259 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)
[article]
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
in Research in Autism Spectrum Disorders > 8-5 (May 2014) . - p.463-471[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 Visual Search Targeting Either Local or Global Perceptual Processes Differs as a Function of Autistic-Like Traits in the Typically Developing Population / Renita A. ALMEIDA in Journal of Autism and Developmental Disorders, 43-6 (June 2013)
[article]
Titre : Visual Search Targeting Either Local or Global Perceptual Processes Differs as a Function of Autistic-Like Traits in the Typically Developing Population Type de document : Texte imprimé et/ou numérique Auteurs : Renita A. ALMEIDA, Auteur ; J. Edwin DICKINSON, Auteur ; Murray T. MAYBERY, Auteur ; Johanna C. BADCOCK, Auteur ; David R. BADCOCK, Auteur Article en page(s) : p.1272-1286 Langues : Anglais (eng) Mots-clés : Autism-Spectrum Quotient Visual search Embedded Figures Test Radial frequency patterns Visual processing Index. décimale : PER Périodiques Résumé : Relative to low scorers, high scorers on the Autism-Spectrum Quotient (AQ) show enhanced performance on the Embedded Figures Test and the Radial Frequency search task (RFST), which has been attributed to both enhanced local processing and differences in combining global percepts. We investigate the role of local and global processing further using the RFST in four experiments. High AQ adults maintained a consistent advantage in search speed across diverse target-distracter stimulus conditions. This advantage may reflect enhanced local processing of curvature in early stages of the form vision pathway and superior global detection of shape primitives. However, more probable is the presence of a superior search process that enables a consistent search advantage at both levels of processing. En ligne : http://dx.doi.org/10.1007/s10803-012-1669-7 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=201
in Journal of Autism and Developmental Disorders > 43-6 (June 2013) . - p.1272-1286[article] Visual Search Targeting Either Local or Global Perceptual Processes Differs as a Function of Autistic-Like Traits in the Typically Developing Population [Texte imprimé et/ou numérique] / Renita A. ALMEIDA, Auteur ; J. Edwin DICKINSON, Auteur ; Murray T. MAYBERY, Auteur ; Johanna C. BADCOCK, Auteur ; David R. BADCOCK, Auteur . - p.1272-1286.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 43-6 (June 2013) . - p.1272-1286
Mots-clés : Autism-Spectrum Quotient Visual search Embedded Figures Test Radial frequency patterns Visual processing Index. décimale : PER Périodiques Résumé : Relative to low scorers, high scorers on the Autism-Spectrum Quotient (AQ) show enhanced performance on the Embedded Figures Test and the Radial Frequency search task (RFST), which has been attributed to both enhanced local processing and differences in combining global percepts. We investigate the role of local and global processing further using the RFST in four experiments. High AQ adults maintained a consistent advantage in search speed across diverse target-distracter stimulus conditions. This advantage may reflect enhanced local processing of curvature in early stages of the form vision pathway and superior global detection of shape primitives. However, more probable is the presence of a superior search process that enables a consistent search advantage at both levels of processing. En ligne : http://dx.doi.org/10.1007/s10803-012-1669-7 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=201