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Lanovaz, Marc J. – Research in Developmental Disabilities: A Multidisciplinary Journal, 2011
The predominant models on the emergence and maintenance of stereotypy in individuals with developmental disabilities are based on operant and neurobiological interpretations of the behavior. Although the proponents of the two models maintain largely independent lines of research, operant and neurobiological interpretations of stereotypy are not…
Descriptors: Developmental Disabilities, Behavior Problems, Motion, Repetition
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Kuenssberg, Renate; McKenzie, Karen; Jones, Jill – Research in Developmental Disabilities: A Multidisciplinary Journal, 2011
Research continues to try and pinpoint the etiological role of particular genes and brain structure in autistic spectrum disorder (ASD), but despite a host of biological, genetic and neuropsychological research, the symptom profile of pervasive developmental disorders (PDDs) are not yet linked to etiological theory. Debate continues around whether…
Descriptors: Autism, Literature Reviews, Repetition, Communication Disorders
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Miniscalco, Carmela; Gillberg, Christopher – Research in Developmental Disabilities: A Multidisciplinary Journal, 2009
We wanted to test the hypothesis that neuropsychiatric disorder (NPD) with language impairment (LI) is a more severe variant of NPD than NPD without LI, and that this variant can be easily picked up by a non-word repetition (NWR) task. We therefore tested 56 (mean 7.6, range 6.1-9.5 years) children divided into three subgroups: one with LI only (n…
Descriptors: Language Impairments, Screening Tests, Intelligence Tests, Young Children