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Miller, Haylie L.; Ragozzino, Michael E.; Cook, Edwin H.; Sweeney, John A.; Mosconi, Matthew W. – Journal of Autism and Developmental Disorders, 2015
The neurocognitive impairments associated with restricted and repetitive behaviors (RRBs) in autism spectrum disorder (ASD) are not yet clear. Prior studies indicate that individuals with ASD show reduced cognitive flexibility, which could reflect difficulty shifting from a previously learned response pattern or a failure to maintain a new…
Descriptors: Autism, Pervasive Developmental Disorders, Neurological Impairments, Cognitive Ability
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Dhar, Monica; Been, Pieter H.; Minderaa, Ruud B.; Althaus, Monika – Neuropsychologia, 2010
Twenty male adults with ADHD, 16 dyslexic adults, 15 comorbid adults, and 16 normal controls were compared on performance and underlying brain responses, during a cued Continuous Performance Test (O-X CPT), with the aim of discovering features of information processing differentiating between the groups. The study evaluated both cue- and…
Descriptors: Reaction Time, Dyslexia, Performance Tests, Attention Deficit Hyperactivity Disorder
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Strand, Steve C. – Research in Developmental Disabilities, 1991
This study found that teachers' ratings of their 8 severely mentally handicapped pupils' (ages 9-18) classroom behavior were correlated with children's performance on a discrimination learning task. The factors of attention/distractibility and responsivity to consequences correlated significantly with number of errors and number of trials to…
Descriptors: Attention Control, Behavior Problems, Cognitive Processes, Conceptual Tempo