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Charbonneau, Geneviève; Bertone, Armando; Véronneau, Marie; Girard, Simon; Pelland, Maxime; Mottron, Laurent; Lepore, Franco; Collignon, Olivier – Journal of Autism and Developmental Disorders, 2020
Although impairment in sensory integration is suggested in the autism spectrum (AS), empirical evidences remain equivocal. We assessed the integration of low-level visual and tactile information within and across modalities in AS and typically developing (TD) individuals. TD individuals demonstrated increased redundancy gain for cross-modal…
Descriptors: Autism, Pervasive Developmental Disorders, Attention, Sensory Integration
Guy, Jacalyn; Mottron, Laurent; Berthiaume, Claude; Bertone, Armando – Journal of Autism and Developmental Disorders, 2019
Individuals with autism spectrum disorder (ASD) demonstrate superior performances on visuo-spatial tasks emphasizing local information processing; however, findings from studies involving hierarchical stimuli are inconsistent. Wide age ranges and group means complicate their interpretability. Children and adolescents with and without ASD completed…
Descriptors: Visual Perception, Autism, Pervasive Developmental Disorders, Children
Cognitive Differences in Pictorial Reasoning between High-Functioning Autism and Asperger's Syndrome
Sahyoun, Cherif P.; Soulieres, Isabelle; Belliveau, John W.; Mottron, Laurent; Mody, Maria – Journal of Autism and Developmental Disorders, 2009
We investigated linguistic and visuospatial processing during pictorial reasoning in high-functioning autism (HFA), Asperger's syndrome (ASP), and age and IQ-matched typically developing participants (CTRL), using three conditions designed to differentially engage linguistic mediation or visuospatial processing (visuospatial, V; semantic, S;…
Descriptors: Reaction Time, Semantics, Autism, Asperger Syndrome
Vlamings, Petra H. J. M.; Stauder, Johannes E. A.; van Son, Ilona A. M.; Mottron, Laurent – Journal of Autism and Developmental Disorders, 2005
The present study investigates visual orienting to directional cues (arrow or eyes) in adults with high functioning autism (n = 19) and age matched controls (n = 19). A choice reaction time paradigm is used in which eye-or arrow direction correctly (congruent) or incorrectly (incongruent) cues target location. In typically developing participants,…
Descriptors: Adults, Autism, Reaction Time, Eye Movements