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Familial Patterns in Children with Neurologically-Based Learning Disabilities
Peer reviewed Peer reviewed
Silver, Larry B. – Journal of Learning Disabilities, 1971
Descriptors: Etiology, Exceptional Child Research, Family Characteristics, Heredity
A Twin Study of Mathematics Disability.
Peer reviewed Peer reviewed
Alarcon, Marciela; DeFries, John C.; Light, Jacquelyn Gillis; Pennington, Bruce F. – Journal of Learning Disabilities, 1997
Comparison of twins (40 identical and 23 fraternal) for mathematics deficits (MD), in which at least one member had a mathematics disability, found evidence for a significant genetic etiology. However, tests for the differential etiology of MD as a function of reading performance level were nonsignificant. (Author/DB)
Descriptors: Etiology, Genetics, Heredity, Incidence
Pedigree Analysis of Children with Phonology Disorders.
Peer reviewed Peer reviewed
Lewis, Barbara A. – Journal of Learning Disabilities, 1992
This study examined 87 pedigrees of individuals with histories of preschool phonology disorders. Significantly more family members with dyslexia and learning disabilities, but not stuttering or hearing impairment, were found in pedigrees of individuals with phonology disorders than in pedigrees of nondisabled individuals. (Author/JDD)
Descriptors: Children, Dyslexia, Family Influence, Genetics
Auditory and Visual Evoked Responses in Children with Familial Reading Disabilities
Peer reviewed Peer reviewed
Weber, Bruce A.; Omenn, Gilbert S. – Journal of Learning Disabilities, 1977
Descriptors: Cerebral Dominance, Dyslexia, Elementary Secondary Education, Hearing (Physiology)
Genetic and Psychodynamic Aspects of Developmental Dyslexia--A Cybernetic Approach
Peer reviewed Peer reviewed
Thomas, Hugh B. G. – Journal of Learning Disabilities, 1973
Descriptors: Cybernetics, Dyslexia, Etiology, Exceptional Child Education
Specific Deficits in Component Reading and Language Skills: Genetic and Environmental Influences.
Peer reviewed Peer reviewed
Olson, Richard; And Others – Journal of Learning Disabilities, 1989
Word recognition data from identical and fraternal twins and siblings (N=172) indicated that the phonological coding deficit of children with reading disabilities was highly heritable. Orthographic coding was not significantly heritable. Poor readers with low IQs were superior to similar reading but average IQ readers in phonological coding.…
Descriptors: Elementary Secondary Education, Genetics, Heredity, Intelligence Differences
Historical Perspectives on Dyslexia.
Peer reviewed Peer reviewed
Richardson, Sylvia O. – Journal of Learning Disabilities, 1992
This article offers a historical overview of the neurological aspects of dyslexia (originally seen as related to aphasia) and a review of familial and genetic factors in developmental dyslexia. Psycholinguistic models of dyslexia as they relate to neurological concepts are presented and the evolution of successful remedial methods is summarized.…
Descriptors: Aphasia, Child Development, Dyslexia, Educational History