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Direct linkRosenberg-Lee, Miriam; Ashkenazi, Sarit; Chen, Tianwen; Young, Christina B.; Geary, David C.; Menon, Vinod – Developmental Science, 2015
Developmental dyscalculia (DD) is marked by specific deficits in processing numerical and mathematical information despite normal intelligence (IQ) and reading ability. We examined how brain circuits used by young children with DD to solve simple addition and subtraction problems differ from those used by typically developing (TD) children who…
Descriptors: Developmental Disabilities, Learning Disabilities, Numbers, Mathematics Skills
Ashkenazi, Sarit; Mark-Zigdon, Nitza; Henik, Avishai – Cognitive Development, 2009
Children in third and fourth grades suffering from developmental dyscalculia (DD) and typically developing children were asked to compare numbers to a standard. In two separate blocks, they were asked to compare a number between 1 and 9 to 5, or a two-digit number between 10 and 99 to 55. In the single-digit comparisons, DD children were…
Descriptors: Control Groups, Reaction Time, Learning Disabilities, Mathematics Skills
