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Direct linkMazzocco, Michele M. M.; Feigenson, Lisa; Halberda, Justin – Child Development, 2011
Many children have significant mathematical learning disabilities (MLD, or dyscalculia) despite adequate schooling. The current study hypothesizes that MLD partly results from a deficiency in the Approximate Number System (ANS) that supports nonverbal numerical representations across species and throughout development. In this study of 71 ninth…
Descriptors: Learning Disabilities, Mathematics Achievement, Academic Achievement, Number Systems
Peer reviewedSaxe, Geoffrey B. – Child Development, 1981
Two studies indicate that Oksapmin children progress from premediational to mediational phases in their use of body parts to compare and reproduce number and that this change generally occurs prior to the development of concepts of number conservation. A third study shows that this general change is manifested in culturally specific ways.…
Descriptors: Adolescents, Children, Cognitive Development, Computation
