Grouping-Induced Numerosity Biases Vary with Autistic-Like Personality Traits / A. POMÈ in Journal of Autism and Developmental Disorders, 52-3 (March 2022)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 52-3 (March 2022) . - p.1326-1333 Titre : Grouping-Induced Numerosity Biases Vary with Autistic-Like Personality Traits Type de document : Texte imprimé et/ou numérique Auteurs : A. POMÈ, Auteur ; C. CAPONI, Auteur ; D. C. BURR, Auteur Article en page(s) : p.1326-1333 Langues : Anglais (eng) Mots-clés : Adult  Autism Spectrum Disorder/diagnosis  Autistic Disorder  Bayes Theorem  Bias  Humans  Personality  Aq  Number perception  Perceptual grouping  Segmentation Index. décimale : PER Périodiques Résumé : Individuals with autism spectrum disorder are thought to have a more local than global perceptual style. We used a novel paradigm to investigate how grouping-induced response biases in numerosity judgments depend on autistic-like personality traits in neurotypical adults. Participants judged the numerosity of clouds of dot-pairs connected by thin lines, known to cause underestimation of numerosity. The underestimation bias correlated strongly with autism-spectrum quotient (r?=?0.72, Bayes factor?>?100), being weaker for participants with high autistic traits. As connecting dots probably activates global grouping mechanisms, causing dot-pairs to be processed as an integrated whole rather than as individual dots, the results suggest that these grouping mechanisms may be weaker in individuals self-reporting high levels of autistic-like traits. En ligne : http://dx.doi.org/10.1007/s10803-021-05029-1 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=455 [article] Grouping-Induced Numerosity Biases Vary with Autistic-Like Personality Traits [Texte imprimé et/ou numérique] / A. POMÈ, Auteur ; C. CAPONI, Auteur ; D. C. BURR, Auteur . - p.1326-1333. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 52-3 (March 2022) . - p.1326-1333 Mots-clés : Adult  Autism Spectrum Disorder/diagnosis  Autistic Disorder  Bayes Theorem  Bias  Humans  Personality  Aq  Number perception  Perceptual grouping  Segmentation Index. décimale : PER Périodiques Résumé : Individuals with autism spectrum disorder are thought to have a more local than global perceptual style. We used a novel paradigm to investigate how grouping-induced response biases in numerosity judgments depend on autistic-like personality traits in neurotypical adults. Participants judged the numerosity of clouds of dot-pairs connected by thin lines, known to cause underestimation of numerosity. The underestimation bias correlated strongly with autism-spectrum quotient (r?=?0.72, Bayes factor?>?100), being weaker for participants with high autistic traits. As connecting dots probably activates global grouping mechanisms, causing dot-pairs to be processed as an integrated whole rather than as individual dots, the results suggest that these grouping mechanisms may be weaker in individuals self-reporting high levels of autistic-like traits. En ligne : http://dx.doi.org/10.1007/s10803-021-05029-1 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=455

Pupillary Responses Obey Emmert's Law and Co-vary with Autistic Traits / C. TORTELLI in Journal of Autism and Developmental Disorders, 51-8 (August 2021)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 51-8 (August 2021) . - p.2908-2919 Titre : Pupillary Responses Obey Emmert's Law and Co-vary with Autistic Traits Type de document : Texte imprimé et/ou numérique Auteurs : C. TORTELLI, Auteur ; M. TURI, Auteur ; D. C. BURR, Auteur ; P. BINDA, Auteur Article en page(s) : p.2908-2919 Langues : Anglais (eng) Mots-clés : Adult  Autism Spectrum Disorder/diagnosis/physiopathology  Female  Humans  Illusions/physiology  Male  Photic Stimulation  Pupil/physiology  Reflex, Pupillary/physiology  Young Adult  Autistic traits  Individual differences  Perceptual illusion  Pupillometry Index. décimale : PER Périodiques Résumé : We measured the pupil response to a light stimulus subject to a size illusion and found that stimuli perceived as larger evoke a stronger pupillary response. The size illusion depends on combining retinal signals with contextual 3D information; contextual processing is thought to vary across individuals, being weaker in individuals with stronger autistic traits. Consistent with this theory, autistic traits correlated negatively with the magnitude of pupil modulations in our sample of neurotypical adults; however, psychophysical measurements of the illusion did not correlate with autistic traits, or with the pupil modulations. This shows that pupillometry provides an accurate objective index of complex perceptual processes, particularly useful for quantifying interindividual differences, and potentially more informative than standard psychophysical measures. En ligne : http://dx.doi.org/10.1007/s10803-020-04718-7 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=453 [article] Pupillary Responses Obey Emmert's Law and Co-vary with Autistic Traits [Texte imprimé et/ou numérique] / C. TORTELLI, Auteur ; M. TURI, Auteur ; D. C. BURR, Auteur ; P. BINDA, Auteur . - p.2908-2919. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 51-8 (August 2021) . - p.2908-2919 Mots-clés : Adult  Autism Spectrum Disorder/diagnosis/physiopathology  Female  Humans  Illusions/physiology  Male  Photic Stimulation  Pupil/physiology  Reflex, Pupillary/physiology  Young Adult  Autistic traits  Individual differences  Perceptual illusion  Pupillometry Index. décimale : PER Périodiques Résumé : We measured the pupil response to a light stimulus subject to a size illusion and found that stimuli perceived as larger evoke a stronger pupillary response. The size illusion depends on combining retinal signals with contextual 3D information; contextual processing is thought to vary across individuals, being weaker in individuals with stronger autistic traits. Consistent with this theory, autistic traits correlated negatively with the magnitude of pupil modulations in our sample of neurotypical adults; however, psychophysical measurements of the illusion did not correlate with autistic traits, or with the pupil modulations. This shows that pupillometry provides an accurate objective index of complex perceptual processes, particularly useful for quantifying interindividual differences, and potentially more informative than standard psychophysical measures. En ligne : http://dx.doi.org/10.1007/s10803-020-04718-7 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=453

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