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Neurophysiological signatures of approximate number system acuity in preschoolers
Trends in Neuroscience and Education, 2023A hallmark of the approximate number system (ANS) is ratio dependence. Previous work identified specific event-related potentials (ERPs) that are modulated by numerical ratio throughout the lifespan. In adults, ERP ratio dependence was correlated with the precision of the numerical judgments with individuals who make more precise judgments showing ...
Michal Pinhas +3 more
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Bidirectional Mapping Between the Symbolic Number System and the Approximate Number System
Experimental Psychology, 2021Abstract. Previous studies have discussed the symmetry of bidirectional mapping between approximate number system (ANS) and symbolic number system (SNS). However, these studies neglected the essential significance of bidirectional mapping in the development of numerical cognition.
Lijuan Wang +3 more
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Children’s Approximate Number System in Haptic Modality
Perception, 2015The approximate number system (ANS) is a primitive system used to estimate quantities. It can process quantities in visual and auditory modalities. The aim of the present study was to examine whether ANS can process quantities presented haptically. Moreover, to assess age-related changes, two groups of children (5- and 7-year-olds) were compared. In a
Gimbert, Fanny +3 more
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Approximate quantities and exact number words: dissociable systems
Neuropsychologia, 2003Numerical abilities are thought to rest on the integration of two distinct systems, a verbal system of number words and a non-symbolic representation of approximate quantities. This view has lead to the classification of acalculias into two broad categories depending on whether the deficit affects the verbal or the quantity system.
Cathy, Lemer +3 more
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The approximate number system represents magnitude and precision
Behavioral and Brain Sciences, 2021Abstract Numbers are symbols manipulated in accord with the axioms of arithmetic. They sometimes represent discrete and continuous quantities (e.g., numerosities, durations, rates, distances, directions, and probabilities), but they are often simply names.
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Children's expectations about training the approximate number system
British Journal of Developmental Psychology, 2015Humans possess a developmentally precocious and evolutionarily ancient approximate number system ( ANS ) whose sensitivity correlates with uniquely human symbolic arithmetic skills. Recent studies suggest that ANS training improves symbolic arithmetic ...
Moira R. Dillon +3 more
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Non-symbolic and symbolic number and the approximate number system
Behavioral and Brain Sciences, 2021Abstract The distinction between non-symbolic and symbolic number is poorly addressed by the authors despite being relevant in numerical cognition, and even more important in light of the proposal that the approximate number system (ANS) represents rational numbers.
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“Approximate number system” training: A perceptual learning approach
Attention, Perception, & Psychophysics, 2018Recent research suggests that humans perceive quantity using a non-symbolic "number sense." This sense is then thought to provide a foundation for understanding symbolic numbers in formal education. Given this link, there has been interest in the extent to which the approximate number system (ANS) can be improved via dedicated training, as this could ...
Aaron, Cochrane +3 more
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The representations of the approximate number system
Philosophical Psychology, 2021The Approximate Number System (ANS) is a system that allows us to distinguish between collections based on the number of items, though only if the ratio between numbers is high enough.
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Rational number representation by the approximate number system
CognitionThe approximate number system (ANS) enables organisms to represent the approximate number of items in an observed collection, quickly and independently of natural language. Recently, it has been proposed that the ANS goes beyond representing natural numbers by extracting and representing rational numbers (Clarke & Beck, 2021a).
Chuyan, Qu +3 more
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