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Brief Report: Early VEPs to Pattern-Reversal in Adolescents and Adults with Autism
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Kovarski, K.; Thillay, A.; Houy-Durand, E.; Roux, S.; Bidet-Caulet, A.; Bonnet-Brilhault, F.; Batty, M. – Journal of Autism and Developmental Disorders, 2016
Autism spectrum disorder (ASD) is characterized by atypical visual perception both in the social and nonsocial domain. In order to measure a reliable visual response, visual evoked potentials were recorded during a passive pattern-reversal stimulation in adolescents and adults with and without ASD. While the present results show the same…
Descriptors: Adolescents, Visual Perception, Autism, Pervasive Developmental Disorders
Differences in the Efficiency of Pattern Encoding in Relation to Autistic-Like Traits: An Event-Related Potential Study
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Takahashi, Junichi; Yasunaga, Daichi; Gyoba, Jiro – Journal of Autism and Developmental Disorders, 2014
We examined the effects of complexity on the efficiency of pattern encoding in the general population differing on autism-spectrum quotient (AQ) scores. We compared brain activity (electroencephalography) during a same-different task for High and Low AQ groups. The task was composed of identical comparison and categorical comparison (CC)…
Descriptors: Autism, Pervasive Developmental Disorders, Scores, Brain Hemisphere Functions
Automated Detection of Stereotypical Motor Movements
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Goodwin, Matthew S.; Intille, Stephen S.; Albinali, Fahd; Velicer, Wayne F. – Journal of Autism and Developmental Disorders, 2011
To overcome problems with traditional methods for measuring stereotypical motor movements in persons with Autism Spectrum Disorders (ASD), we evaluated the use of wireless three-axis accelerometers and pattern recognition algorithms to automatically detect body rocking and hand flapping in children with ASD. Findings revealed that, on average,…
Descriptors: Autism, Pattern Recognition, Pervasive Developmental Disorders, Motion
Further Evidence on the Factorial Structure of the Autism Spectrum Quotient (AQ) for Adults with and without a Clinical Diagnosis of Autism
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Lau, Winnie Yu Pow; Kelly, Adrian B.; Peterson, Candida Clifford – Journal of Autism and Developmental Disorders, 2013
The Autism Spectrum Quotient (AQ) has been widely used for measuring autistic traits however its factor structure has been primarily determined from nonclinic populations. This study aimed to establish an internally coherent and reliable factor structure for the AQ using a sample of 455 Australian adults of whom 141 had autism spectrum disorder…
Descriptors: Autism, Measures (Individuals), Factor Structure, Foreign Countries
Brief Report: Face-Specific Recognition Deficits in Young Children with Autism Spectrum Disorders
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Bradshaw, Jessica; Shic, Frederick; Chawarska, Katarzyna – Journal of Autism and Developmental Disorders, 2011
This study used eyetracking to investigate the ability of young children with autism spectrum disorders (ASD) to recognize social (faces) and nonsocial (simple objects and complex block patterns) stimuli using the visual paired comparison (VPC) paradigm. Typically developing (TD) children showed evidence for recognition of faces and simple…
Descriptors: Cognitive Processes, Autism, Novelty (Stimulus Dimension), Young Children
Face Recognition in Children with a Pervasive Developmental Disorder Not Otherwise Specified.
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Serra, M.; Althaus, M.; de Sonneville, L. M. J.; Stant, A. D.; Jackson, A. E.; Minderaa, R. B. – Journal of Autism and Developmental Disorders, 2003
A study investigated the accuracy and speed of face recognition in 26 children (ages 7-10) with Pervasive Developmental Disorder Not Otherwise Specified. Subjects needed an amount of time to recognize the faces that almost equaled the time they needed to recognize abstract patterns that were difficult to distinguish. (Contains references.)…
Descriptors: Autism, Cognitive Ability, Elementary Education, Facial Expressions