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Direct linkLourenco, Stella F.; Bonny, Justin W. – Developmental Science, 2017
A growing body of evidence suggests that non-symbolic representations of number, which humans share with nonhuman animals, are functionally related to uniquely human mathematical thought. Other research suggesting that numerical and non-numerical magnitudes not only share analog format but also form part of a general magnitude system raises…
Descriptors: Mathematics Skills, Skill Development, Correlation, Task Analysis
Libertus, Melissa E.; Feigenson, Lisa; Halberda, Justin; Landau, Barbara – Developmental Science, 2014
All numerate humans have access to two systems of number representation: an exact system that is argued to be based on language and that supports formal mathematics, and an Approximate Number System (ANS) that is present at birth and appears independent of language. Here we examine the interaction between these two systems by comparing the…
Descriptors: Congenital Impairments, Genetic Disorders, Mental Retardation, Number Systems
Fernald, Anne; Marchman, Virginia A.; Weisleder, Adriana – Developmental Science, 2013
This research revealed both similarities and striking differences in early language proficiency among infants from a broad range of advantaged and disadvantaged families. English-learning infants ("n" = 48) were followed longitudinally from 18 to 24 months, using real-time measures of spoken language processing. The first goal was to…
Descriptors: Socioeconomic Status, Language Acquisition, Language Processing, Infants
