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Bolte, Sven; Dziobek, Isabel; Poustka, Fritz – Journal of Autism and Developmental Disorders, 2009
Owing to higher performance on the Raven's Progressive Matrices (RPM) than on the Wechsler Intelligence Scales (WIS), it has recently been argued that intelligence is underestimated in autism. This study examined RPM and WIS IQs in 48 individuals with autism, a mixed clinical (n = 28) and a neurotypical (n = 25) control group. Average RPM IQ was…
Descriptors: Control Groups, Intelligence, Autism, Intelligence Quotient
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Hardan, Antonio Y.; Girgis, Ragy R.; Adams, Jason; Gilbert, Andrew R.; Melhem, Nadine M.; Keshavan, Matcheri S.; Minshew, Nancy J. – Journal of Autism and Developmental Disorders, 2008
The objective of this study was to examine the relationship between thalamic volume and brain size in individuals with Asperger's disorder (ASP). Volumetric measurements of the thalamus were performed on MRI scans obtained from 12 individuals with ASP (age range: 10-35 years) and 12 healthy controls (age range: 9-33 years). A positive correlation…
Descriptors: Correlation, Brain, Intelligence, Asperger Syndrome
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Pijnacker, Judith; Hagoort, Peter; Buitelaar, Jan; Teunisse, Jan-Pieter; Geurts, Bart – Journal of Autism and Developmental Disorders, 2009
Although people with autism spectrum disorders (ASD) often have severe problems with pragmatic aspects of language, little is known about their pragmatic reasoning. We carried out a behavioral study on high-functioning adults with autistic disorder (n = 11) and Asperger syndrome (n = 17) and matched controls (n = 28) to investigate whether they…
Descriptors: Sentences, Autism, Asperger Syndrome, Inferences
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Rutherford, M. D.; McIntosh, Daniel N. – Journal of Autism and Developmental Disorders, 2007
When perceiving emotional facial expressions, people with autistic spectrum disorders (ASD) appear to focus on individual facial features rather than configurations. This paper tests whether individuals with ASD use these features in a rule-based strategy of emotional perception, rather than a typical, template-based strategy by considering…
Descriptors: Autism, Nonverbal Communication, Human Body, Comparative Analysis