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Peer reviewed
Goldstein, Gerald; Johnson, Cynthia R.; Minshew, Nancy J. – Journal of Autism and Developmental Disorders, 2001
Attention processes in 103 children and adults with high functioning autism were compared with a matched control group using a battery of attention measures. Differences were found only on tasks which placed demands on cognitive flexibility or psychomotor speed, suggesting that purported attention deficits in autism may actually be primary…
Descriptors: Adults, Attention Control, Attention Deficit Disorders, Autism
Peer reviewed
Channon, Shelley; Charman, Tony; Heap, Jane; Crawford, Sarah; Rios, Patricia – Journal of Autism and Developmental Disorders, 2001
This study compared the social problem solving skills of 15 adolescents with Asperger's syndrome with 15 typically developing adolescents. Subjects were presented with videotaped scenarios. The Asperger's group showed deficiencies in recounting pertinent facts, generating possible high-quality problem solutions, and selecting optimal and preferred…
Descriptors: Adolescents, Asperger Syndrome, Autism, Cognitive Processes
Peer reviewed
Toichi, Motomi; Kamio, Yoko – Journal of Autism and Developmental Disorders, 2001
This study examined conceptual relationships in semantic memory using an indirect priming technique in high-functioning autistic adolescents and controls. The autistic subjects and controls showed similar semantic priming effects. However, correlations with nonverbal cognitive measures for the autistic subjects suggests that semantic processing in…
Descriptors: Adolescents, Autism, Cognitive Processes, Memory
Peer reviewed
Farrant, Annette; Blades, Mark; Boucher, Jill – Journal of Autism and Developmental Disorders, 1999
This study examined the metacognitive ability (recall readiness) in matched groups of children with autism, children with mental retardation, and normally developing children (all with a mental age of 7). Children with autism and children with mental retardation had impaired recall readiness compared to the normally developing children. (Author/DB)
Descriptors: Autism, Children, Cognitive Processes, Mental Retardation
Peer reviewed
Williams, Emma; Costall, Alan; Reddy, Vasudevi – Journal of Autism and Developmental Disorders, 1999
This article examines evidence that children with autism exhibit widespread impairments in relating to objects, not only in interpersonal aspects of object use but also in early sensorimotor exploration and in functional and conventional uses of objects. It highlights the reciprocal nature of interactions between the child, other people, and…
Descriptors: Autism, Children, Cognitive Processes, Interaction
Peer reviewed
Jolliffe, Therese; Baron-Cohen, Simon – Journal of Autism and Developmental Disorders, 1999
Individuals with either high-functioning autism (N=17) or Asperger Syndrome (N=17) were tested with Happe's Strange Stories Test, which assesses the ability to interpret a nonliteral statement. Compared to normal controls, both groups had greater difficulty providing contextually appropriate mental state answers, with the autistic group having the…
Descriptors: Asperger Syndrome, Autism, Cognitive Processes, Perspective Taking
Ozonoff, Sally; Cook, Ian; Coon, Hilary; Dawson, Geraldine; Joseph, Robert M.; Klin, Ami; McMahon, William M.; Minshew, Nancy; Munson, Jeffrey A. – Journal of Autism and Developmental Disorders, 2004
Recent structural and functional imaging work, as well as neuropathology and neuropsychology studies, provide strong empirical support for the involvement of frontal cortex in autism. The Cambridge Neuropsychological Test Automated Battery (CANTAB) is a computer-administered set of neuropsychological tests developed to examine specific components…
Descriptors: Autism, Brain, Neuropsychology, Cognitive Tests
Hill, Elisabeth; Berthoz, Sylvie; Frith, Uta – Journal of Autism and Developmental Disorders, 2004
Difficulties in the cognitive processing of emotions--including difficulties identifying and describing feelings--are assumed to be an integral part of autism. We studied such difficulties via self-report in 27 high-functioning adults with autistic spectrum disorders, their biological relatives (n = 49), and normal adult controls (n = 35), using…
Descriptors: Cognitive Processes, Psychological Patterns, Pervasive Developmental Disorders, Adults
Iarocci, Grace; Burack, Jacob A. – Journal of Autism and Developmental Disorders, 2004
The focus of the present study was to examine covert orienting responses to peripheral flash cues among children with autism in a situation where attentional processes were taxed by the presence of distractors in the visual field. Fourteen children with autism (MA = 6-7 years) were compared to their MA-matched peers without autism on a forced…
Descriptors: Visual Perception, Cues, Children, Autism
Hoeksma, Marco R.; Kemner, Chantal; Verbaten, Marinus N.; van Engeland, Herman – Journal of Autism and Developmental Disorders, 2004
This study sought to investigate whether the abnormally small P3 amplitudes observed in pervasive developmental disorder (PDD) are related to differences in processing capacity. PDD children and adolescents and their control groups participated in the study. Visual probe stimuli were presented during an auditory task with two levels of difficulty.…
Descriptors: Adolescents, Auditory Stimuli, Pervasive Developmental Disorders, Children
Lyons, Viktoria; Fitzgerald, Michael – Journal of Autism and Developmental Disorders, 2004
Research has shown that individuals with autism and Asperger syndrome are impaired in humor appreciation, although anecdotal and parental reports provide some evidence to the contrary. This paper reviews the cognitive and affective processes involved in humor and recent neurological findings. It examines humor expression and understanding in…
Descriptors: Asperger Syndrome, Autism, Humor, Cognitive Processes
Kerr, Sharyn; Durkin, Kevin – Journal of Autism and Developmental Disorders, 2004
Standard false belief tasks indicate that normally developing children do not fully develop a theory of mind until the age of 4 years and that children with autism have an impaired theory of mind. Recent evidence, however, suggests that children as young as 3 years of age understand that thought bubbles depict mental representations and that these…
Descriptors: Cognitive Processes, Children, Autism, Mental Age
Gagnon, Louise; Mottron, Laurent; Bherer, Louis; Joanette, Yves – Journal of Autism and Developmental Disorders, 2004
This study examined the hypothesis of superior quantification abilities of persons with high functioning autism (HFA). Fourteen HFA individuals (mean age: 15 years) individually matched with 14 typically developing (TD) participants (gender, chronological age, full-scale IQ) were asked to quantify as accurately and quickly as possible…
Descriptors: Hypothesis Testing, Autism, Visual Stimuli, Computation