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Cooper, Kate; Russell, Ailsa; Calley, Steph; Chen, Huilin; Kramer, Jaxon; Verplanken, Bas – Autism: The International Journal of Research and Practice, 2022
Repetitive and restricted behaviours are a core feature of autism, and cognition in autistic individuals may also be repetitive and restricted. We aimed to investigate the relationship between repetitive behaviours and repetitive thinking. We predicted that autistic people would experience more repetitive, perseverative, visual and negative…
Descriptors: Autism, Pervasive Developmental Disorders, Correlation, Behavior Disorders
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Mustafa, Sriyanti; Nusantara, Toto; Subanji; Irawati, Santi – International Education Studies, 2016
The aim of this study is to describe the mathematical thinking process of autistic students in terms of gesture, using a qualitative approach. Data collecting is conducted by using 3 (three) audio-visual cameras. During the learning process, both teacher and students' activity are recorded using handy cam and digital camera (full HD capacity).…
Descriptors: Mathematical Logic, Thinking Skills, Mathematics, Mathematics Instruction
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Poljac, Edita; Poljac, Ervin; Yeung, Nick – Journal of Autism and Developmental Disorders, 2012
Impairments in cognitive control generating deviant adaptive cognition have been proposed to account for the strong preference for repetitive behavior in autism. We examined if this preference reflects intentional deficits rather than problems in task execution in the broader autism phenotype using the Autism-Spectrum Quotient (AQ). Participants…
Descriptors: Autism, Behavior Patterns, Symptoms (Individual Disorders), Cognitive Processes
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Mayes, Susan Dickerson; Calhoun, Susan L.; Mayes, Rebecca D.; Molitoris, Sarah – Research in Autism Spectrum Disorders, 2012
Children with ADHD and autism have some similar features, complicating a differential diagnosis. The purpose of our study was to determine the degree to which core ADHD and autistic symptoms overlap in and discriminate between children 2-16 years of age with autism and ADHD. Our study demonstrated that 847 children with autism were easily…
Descriptors: Autism, Short Term Memory, Attention Deficit Hyperactivity Disorder, Symptoms (Individual Disorders)
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Muller, Ralph-Axel – Mental Retardation and Developmental Disabilities Research Reviews, 2007
Past autism research has often been dedicated to tracing the causes of the disorder to a localized neurological abnormality, a single functional network, or a single cognitive-behavioral domain. In this review, I argue that autism is a "distributed disorder" on various levels of study (genetic, neuroanatomical, neurofunctional, behavioral).…
Descriptors: Autism, Neurology, Genetics, Brain
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Leslie, Alan M.; Frith, Uta – Psychological Review, 1990
Three possibilities for the pathogenesis of childhood autism are considered. Little evidence exists for autism as a basic affective disorder, as proposed by R. P. Hobson, but growing evidence supports childhood autism as a basic cognitive disorder, as the author argues. The author's original theoretical perspectives are revised. (SLD)
Descriptors: Affective Behavior, Autism, Behavior Disorders, Child Development
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Geurts, Hilde M.; Verte, Sylvie; Oosterlaan, Jaap; Roeyers, Herbert; Sergeant, Joseph A. – Journal of Child Psychology and Psychiatry, 2004
Background: The objective of this study is to identify intact and deficient cognitive processes in children with attention deficit hyperactivity disorder (ADHD) and children with high functioning autism (HFA). Method: Three rigorously diagnosed groups of children aged between 6 and 12 years (54 ADHD, 41 HFA, and 41 normal controls) were tested on…
Descriptors: Attention Deficit Hyperactivity Disorder, Autism, Short Term Memory, Cognitive Processes