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Peer reviewedShalev, Ruth S.; Manor, Orly; Kerem, Batsheva; Ayali, Mady; Badichi, Navah; Friedlander, Yechiel; Gross-Tsur, Varda – Journal of Learning Disabilities, 2001
Siblings and parents of 39 children with dyscalculia were assessed for arithmetic, reading, and attention disorders. Findings indicated a familial prevalence of dyscalculia almost tenfold higher than expected for the general population and suggest that dyscalculia, like other learning disabilities, has a significant familial aggregation,…
Descriptors: Arithmetic, Attention Deficit Disorders, Children, Dyscalculia
Peer reviewedKosc, Ladislav – Journal of Learning Disabilities, 1974
A definition of developmental dysalculia, stressing the hereditary or congenital affection of the brain substrate of mathematical functions, is put forth. (Author)
Descriptors: Adolescents, Children, Definitions, Dyscalculia
Direct linkLanderl, Karin; Bevan, Anna; Butterworth, Brian – Cognition, 2004
Thirty-one 8- and 9-year-old children selected for dyscalculia, reading difficulties or both, were compared to controls on a range of basic number processing tasks. Children with dyscalculia only had impaired performance on the tasks despite high-average performance on tests of IQ, vocabulary and working memory tasks. Children with reading…
Descriptors: Dyscalculia, Memory, Cognitive Ability, Reading Difficulties
