Oblique Orientation Discrimination Thresholds Are Superior in Those with a High Level of Autistic Traits / Abigail DICKINSON in Journal of Autism and Developmental Disorders, 44-11 (November 2014)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 44-11 (November 2014) . - p.2844-2850 Titre : Oblique Orientation Discrimination Thresholds Are Superior in Those with a High Level of Autistic Traits Type de document : Texte imprimé et/ou numérique Auteurs : Abigail DICKINSON, Auteur ; Myles JONES, Auteur ; Elizabeth MILNE, Auteur Article en page(s) : p.2844-2850 Langues : Anglais (eng) Mots-clés : Autistic traits  Orientation discrimination  Visual perception Index. décimale : PER Périodiques Résumé : Enhanced low-level perception, although present in individuals with autism, is not seen in individuals with high, but non-clinical, levels of autistic traits (Brock et al.in Percept Lond 40(6):739. doi:10.1068/p6953, 2011). This is surprising, as many of the higher-level visual differences found in autism have been shown to correlate with autistic traits in non-clinical samples. Here we measure vertical–oblique and, more difficult, oblique–oblique orientation discrimination thresholds in a non-clinical sample. As predicted, oblique–oblique thresholds provided a more sensitive test of orientation discrimination, and were negatively related to autistic traits (N = 94, r = ?.356, p .0001). We conclude that individual differences in orientation discrimination and autistic traits are related, and suggest that both of these factors could be mediated by increased levels of the inhibitory neurotransmitter GABA. En ligne : http://dx.doi.org/10.1007/s10803-014-2147-1 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=241 [article] Oblique Orientation Discrimination Thresholds Are Superior in Those with a High Level of Autistic Traits [Texte imprimé et/ou numérique] / Abigail DICKINSON, Auteur ; Myles JONES, Auteur ; Elizabeth MILNE, Auteur . - p.2844-2850. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 44-11 (November 2014) . - p.2844-2850 Mots-clés : Autistic traits  Orientation discrimination  Visual perception Index. décimale : PER Périodiques Résumé : Enhanced low-level perception, although present in individuals with autism, is not seen in individuals with high, but non-clinical, levels of autistic traits (Brock et al.in Percept Lond 40(6):739. doi:10.1068/p6953, 2011). This is surprising, as many of the higher-level visual differences found in autism have been shown to correlate with autistic traits in non-clinical samples. Here we measure vertical–oblique and, more difficult, oblique–oblique orientation discrimination thresholds in a non-clinical sample. As predicted, oblique–oblique thresholds provided a more sensitive test of orientation discrimination, and were negatively related to autistic traits (N = 94, r = ?.356, p .0001). We conclude that individual differences in orientation discrimination and autistic traits are related, and suggest that both of these factors could be mediated by increased levels of the inhibitory neurotransmitter GABA. En ligne : http://dx.doi.org/10.1007/s10803-014-2147-1 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=241

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