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Soltesz, Fruzsina; Szucs, Denes – Cognitive Development, 2009
Developmental dyscalculia (DD) still lacks a generally accepted definition. A major problem is that the cognitive component processes contributing to arithmetic performance are still poorly defined. By a reanalysis of our previous event-related brain potential (ERP) data (Soltesz et al., 2007) here our objective was to identify and compare…
Descriptors: Developmental Disabilities, Learning Disabilities, Cognitive Processes, Cognitive Ability
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Setti, Annalisa; Caramelli, Nicoletta – Cognitive Development, 2007
The present study concerns redundant data problems, defined as problems in which irrelevant data is provided. This type of problem provides a misleading context [Pascual-Leone, J. (1987). Organismic process for neo-Piagetian theories: A dialectical causal account of cognitive development. "International Journal of Psychology," 22, 531-570] similar…
Descriptors: Stimuli, Inhibition, Cognitive Development, Redundancy
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Simon, Tony J.; And Others – Cognitive Development, 1995
Investigates numerical competence in five-month-old infants using a violation-of-expectation paradigm. Supports previous findings that young children possess not only the competence for limited numerical abstraction, but also the ability to carry out addition and subtraction operations. An alternative explanation, that infants' responses are based…
Descriptors: Arithmetic, Child Development, Cognitive Development, Comprehension
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Canobi, Katherine H. – Cognitive Development, 2004
Relations among patterns of conceptual and procedural knowledge and grade were examined in 90 six- to eight-year-olds in order to explore addition and subtraction development. Conceptual knowledge was assessed by examining children's responses to pairs of problems reflecting various part-whole relations. Children solved related problems as part of…
Descriptors: Individual Differences, Arithmetic, Mathematics Skills, Problem Solving