Evidence for a Cultural Influence on Field-Independence in Autism Spectrum Disorder / Hwan CUI KOH in Journal of Autism and Developmental Disorders, 42-2 (February 2012)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 42-2 (February 2012) . - p.181-190 Titre : Evidence for a Cultural Influence on Field-Independence in Autism Spectrum Disorder Type de document : texte imprimé Auteurs : Hwan CUI KOH, Auteur ; Elizabeth MILNE, Auteur Année de publication : 2012 Article en page(s) : p.181-190 Langues : Anglais (eng) Mots-clés : Perceptual style  Weak central coherence  Culture  Autism spectrum disorders Index. décimale : PER Périodiques Résumé : Field-independence, or weak central coherence, is a recognised phenotype of autism spectrum disorder (ASD). There is also evidence of cultural variation in this perceptual style, as neurotypical individuals from Western nations are more field-independent than neurotypical individuals from East-Asian nations. The majority of research on perceptual style in those with ASD has been carried out in Western nations therefore it is unclear whether increased field-independence in ASD is a culturally universal phenotype. Here, we assessed perceptual style in children with and without ASD from England and Singapore using the Children’s Embedded Figures Test and the Framed-Line Test. We found increased field-independence in the English participants with ASD only, suggesting that weak central coherence in ASD is not culturally universal. En ligne : http://dx.doi.org/10.1007/s10803-011-1232-y Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=151 [article] Evidence for a Cultural Influence on Field-Independence in Autism Spectrum Disorder [texte imprimé] / Hwan CUI KOH, Auteur ; Elizabeth MILNE, Auteur . - 2012 . - p.181-190. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 42-2 (February 2012) . - p.181-190 Mots-clés : Perceptual style  Weak central coherence  Culture  Autism spectrum disorders Index. décimale : PER Périodiques Résumé : Field-independence, or weak central coherence, is a recognised phenotype of autism spectrum disorder (ASD). There is also evidence of cultural variation in this perceptual style, as neurotypical individuals from Western nations are more field-independent than neurotypical individuals from East-Asian nations. The majority of research on perceptual style in those with ASD has been carried out in Western nations therefore it is unclear whether increased field-independence in ASD is a culturally universal phenotype. Here, we assessed perceptual style in children with and without ASD from England and Singapore using the Children’s Embedded Figures Test and the Framed-Line Test. We found increased field-independence in the English participants with ASD only, suggesting that weak central coherence in ASD is not culturally universal. En ligne : http://dx.doi.org/10.1007/s10803-011-1232-y Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=151

Spatial Contrast Sensitivity in Adolescents with Autism Spectrum Disorders / Hwan CUI KOH in Journal of Autism and Developmental Disorders, 40-8 (August 2010)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 40-8 (August 2010) . - p.978-987 Titre : Spatial Contrast Sensitivity in Adolescents with Autism Spectrum Disorders Type de document : texte imprimé Auteurs : Hwan CUI KOH, Auteur ; Elizabeth MILNE, Auteur ; Karen R. DOBKINS, Auteur Année de publication : 2010 Article en page(s) : p.978-987 Langues : Anglais (eng) Mots-clés : Autism-spectrum-disorders Spatial-frequency Contrast-sensitivity Visual-acuity Perception Visual-psychophysics Index. décimale : PER Périodiques Résumé : Adolescents with autism spectrum disorders (ASD) and typically developing (TD) controls underwent a rigorous psychophysical assessment that measured contrast sensitivity to seven spatial frequencies (0.5–20 cycles/degree). A contrast sensitivity function (CSF) was then fitted for each participant, from which four measures were obtained: visual acuity, peak spatial frequency, peak contrast sensitivity, and contrast sensitivity at a low spatial frequency. There were no group differences on any of the four CSF measures, indicating no differential spatial frequency processing in ASD. Although it has been suggested that detail-oriented visual perception in individuals with ASD may be a result of differential sensitivities to low versus high spatial frequencies, the current study finds no evidence to support this hypothesis. En ligne : http://dx.doi.org/10.1007/s10803-010-0953-7 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=108 [article] Spatial Contrast Sensitivity in Adolescents with Autism Spectrum Disorders [texte imprimé] / Hwan CUI KOH, Auteur ; Elizabeth MILNE, Auteur ; Karen R. DOBKINS, Auteur . - 2010 . - p.978-987. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 40-8 (August 2010) . - p.978-987 Mots-clés : Autism-spectrum-disorders Spatial-frequency Contrast-sensitivity Visual-acuity Perception Visual-psychophysics Index. décimale : PER Périodiques Résumé : Adolescents with autism spectrum disorders (ASD) and typically developing (TD) controls underwent a rigorous psychophysical assessment that measured contrast sensitivity to seven spatial frequencies (0.5–20 cycles/degree). A contrast sensitivity function (CSF) was then fitted for each participant, from which four measures were obtained: visual acuity, peak spatial frequency, peak contrast sensitivity, and contrast sensitivity at a low spatial frequency. There were no group differences on any of the four CSF measures, indicating no differential spatial frequency processing in ASD. Although it has been suggested that detail-oriented visual perception in individuals with ASD may be a result of differential sensitivities to low versus high spatial frequencies, the current study finds no evidence to support this hypothesis. En ligne : http://dx.doi.org/10.1007/s10803-010-0953-7 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=108

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