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The approximate number system (ANS) is a hypothetical physiological basis for the intuitive "number sense". As its name suggests, it only provides an approximate sense of number, and is not an accurate symbolic computation system. There is some evidence that the ANS is capable of simple operations such as addition and is also present in non-human animals.^{[1]}
Some research results suggest that the functioning of the human ANS may involve the intraparietal sulcus of the brain.^{[2]}^{[3]} Children with developmental dyscalculia were found to have less gray matter in the left intraparietal sulcus.^{[4]}
See also Edit
References Edit
- ↑ DOI:10.1016/S0028-3932(03)00123-4
This citation will be automatically completed in the next few minutes. You can jump the queue or expand by hand - ↑ Natalie Angier. Gut Instinct’s Surprising Role in Math. New York Times.
- ↑ Ansari,D.& Karmiloff-Smith, A. (2002). Atypical trajectories of number development: a neuroconstructivist perspective. Trends in Cognitive Science 6 (12): 511–516.
- ↑ Kucian, K. (2006). Impaired neural networks for approximate calculation in dyscalculic children: a functional MRI study. Behavior and Brain Function 2 (1).
Number systems | |
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Countable sets |
Natural numbers () ·</span> Integers () · Rational numbers () · Algebraic numbers () · Computable numbers</div> |
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Real numbers () ·</span>
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Cayley–Dickson construction ·
Dual numbers ·
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Other number systems |
Approximate number systems ·</span> Cardinal numbers · Ordinal numbers · p-adic numbers · Supernatural numbers </div> |
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