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Spatial Contrast Sensitivity in Adolescents with Autism Spectrum Disorders / Hwan CUI KOH in Journal of Autism and Developmental Disorders, 40-8 (August 2010)
[article]
Titre : Spatial Contrast Sensitivity in Adolescents with Autism Spectrum Disorders Type de document : Texte imprimé et/ou numérique 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
in Journal of Autism and Developmental Disorders > 40-8 (August 2010) . - p.978-987[article] Spatial Contrast Sensitivity in Adolescents with Autism Spectrum Disorders [Texte imprimé et/ou numérique] / 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