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Hynd, George W.; Semrud-Clikeman, Margaret – Journal of Learning Disabilities, 1989
The article addresses the neuroimaging, electrophysiological, and postmortem evidence concerning the neurological basis of dyslexia and concludes that inconsistent findings may be related to limitations of investigative technologies. Correlates of reading ability and disability are discussed in a developmental-neuropsychological context.…
Descriptors: Cognitive Development, Dyslexia, Elementary Secondary Education, Etiology
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Obrzut, John E. – Journal of Learning Disabilities, 1989
In response to a previous paper (EC 212 858) regarding the neurodevelopmental evidence for the basis of dyslexia, this paper suggests further concerns in the areas of cognitive measurement, the relationship between cortical-functional organization and child development, and lack of operational definitions in the study of the dyslexic syndrome. (DB)
Descriptors: Child Development, Cognitive Development, Definitions, Dyslexia
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Aaron, P. G.; And Others – Journal of Learning Disabilities, 1988
The possibility that four famous men--Thomas Alva Edison, Woodrow Wilson, Hans Christian Andersen, and Leonardo da Vinci--might have been reading disabled is considered by examining information concerning: (1) biographical records, (2) cognitive characteristics, (3) neuropsychological characteristics, and (4) biological characteristics. (Author/DB)
Descriptors: Biographies, Biological Influences, Case Studies, Cognitive Development
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Rourke, Byron P.; Conway, James A. – Journal of Learning Disabilities, 1997
Reviews current research on brain-behavior relationships in disabilities of arithmetic and mathematical reasoning from both a neurological and a neuropsychological perspective. Defines developmental dyscalculia and the developmental importance of right versus left hemisphere integrity for the mediation of arithmetic learning and explores…
Descriptors: Abstract Reasoning, Brain Hemisphere Functions, Cognitive Development, Disability Identification