Sensibilite accrue a la symetrie en miroir dans l'autisme

Titre original en anglais : Increased Sensitivity to Mirror Symmetry in Autism

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Perreault, A., Gurnsey, R., Dawson, M., Mottron, L., & Bertone, A. (2011). Increased Sensitivity to Mirror Symmetry in Autism. PLoS ONE, 6(4), e19519. https://doi.org/10.1371/journal.pone.0019519

Date de publication: 29/04/2011 Ajout dans AutiHub: 03/07/2026 Type: Article Langue de l’article: Anglais
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Auteurs

Auteur·ices des publications
5
Auteur·ices de la publication identifié·es comme autistes
1 / 5 (20,0 %)
  1. Audrey Perreault
  2. Rick Gurnsey
  3. Michelle Dawson *
  4. Laurent Mottron
  5. Armando Bertone

Résumé

Les personnes autistes peuvent-elles voir la foret malgre les arbres ? L'incertitude persistante concernant l'integrite et le role du traitement global dans l'autisme confere une importance particuliere a la question de savoir comment les individus autistes regroupent les attributs locaux des stimuli en configurations spatiales significatives. Nous avons etudie le regroupement visuel dans l'autisme en mesurant la sensibilite a la symetrie en miroir, un attribut perceptif de l'image tres saillant qui precede la reconnaissance des objets. Il a ete demande a des individus autistes et non autistes de detecter une symetrie en miroir orientee selon des axes vertical, oblique et horizontal. Les deux groupes ont obtenu les meilleurs resultats lorsque l'axe etait vertical, mais pour toutes les orientations d'axes presentees aleatoirement, les personnes autistes etaient significativement plus sensibles a la symetrie que les personnes non autistes. Nous suggerons que, dans certaines circonstances, les individus autistes peuvent tirer parti d'un acces parallele aux informations locales et globales. En d'autres termes, les personnes autistes peuvent parfois voir la foret et les arbres, et peuvent donc extraire d'environnements bruyants de veritables regularites qui echappent aux observateurs non autistes.

Can autistic people see the forest for the trees? Ongoing uncertainty about the integrity and role of global processing in autism gives special importance to the question of how autistic individuals group local stimulus attributes into meaningful spatial patterns. We investigated visual grouping in autism by measuring sensitivity to mirror symmetry, a highly-salient perceptual image attribute preceding object recognition. Autistic and non-autistic individuals were asked to detect mirror symmetry oriented along vertical, oblique, and horizontal axes. Both groups performed best when the axis was vertical, but across all randomly-presented axis orientations, autistics were significantly more sensitive to symmetry than non-autistics. We suggest that under some circumstances, autistic individuals can take advantage of parallel access to local and global information. In other words, autistics may sometimes see the forest and the trees, and may therefore extract from noisy environments genuine regularities which elude non-autistic observers.

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Ces indicateurs décrivent la bibliographie citée importée pour cette publication. Les métriques de références citées utilisent le total des références citées comme dénominateur. Les métriques d’auteurices cité·es indiquent si elles utilisent toutes les occurrences d’auteurices cité·es ou seulement les occurrences rattachées à des auteurices déjà intégré·es à la base de données AutiHub. Ils utilisent les rattachements mis en cache entre les auteurices cité·es et les auteurices intégré·es à la base de données AutiHub. Dernier calcul : 16/08/2026 11:30.

Références citées
33
Nombre total de références citées intégrées pour cette publication.
Références citées avec un·e auteur·ice identifié·e comme autiste
4 / 33 (12,1 %)
Occurrences d’auteur·ices cité·es identifié·es comme autistes
4 / 124 (3,2 %)
Parmi les occurrences rattachées à des auteurices intégré·es à la base de données AutiHub : 4 / 45 (8,9 %). Auteurices cité·es distinct·es identifié·es comme autistes : 1 / 104 (1,0 %).
Occurrences citées rattachées à la base AutiHub
45 / 124 (36,3 %)
Auteurices cité·es distinct·es rattaché·es : 30 / 104 (28,8 %)
Occurrences rattachées, non identifiées comme autistes
41 / 45 (91,1 %)
Parmi les seules occurrences rattachées. Sur l’ensemble des occurrences d’auteurices cité·es : 41 / 124 (33,1 %). Auteurices cité·es distinct·es rattaché·es, non identifié·es comme autistes : 29 / 30 (96,7 %).
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