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Direct linkTrezise, Kim L.; Gray, Kylie M.; Sheppard, Dianne M. – Journal of Applied Research in Intellectual Disabilities, 2008
Background: Down syndrome (DS) has been the focus of much cognitive and developmental research; however, there is a gap in knowledge regarding sustained attention, particularly across different sensory domains. This research examined the hypothesis that children with DS would demonstrate superior visual rather than auditory performance on a…
Descriptors: Mental Age, Mental Retardation, Down Syndrome, Children
Lorusso, M. L.; Galli, R.; Libera, L.; Gagliardi, C.; Borgatti, R.; Hollebrandse, B. – Clinical Linguistics & Phonetics, 2007
It is a matter of debate whether the development of theory of mind (ToM) depends on linguistic development or is, rather, an expression of cognitive development. The study of genetic syndromes, which are characterized by intellectual impairment as well as by different linguistic profiles, may provide useful information with respect to this issue.…
Descriptors: Down Syndrome, Linguistics, Mental Age, Language Acquisition
Peer reviewedWeisz, John R.; Yeates, Keith Owen – Psychological Bulletin, 1981
Surveys 30 studies involving 104 separate tests of the "similar structure hypothesis" which holds that, when nonorganically impaired retarded and nonretarded persons are similar in developmental level, they are also similar in the processes and concepts by which they reason. (Researchers distinguished between studies that excluded…
Descriptors: Cognitive Development, Comparative Analysis, Conservation (Concept), Hypothesis Testing
