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Sensorimotor Foundations of Higher Cognition$
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Patrick Haggard, Yves Rossetti, and Mitsuo Kawato

Print publication date: 1993

Print ISBN-13: 9780199231447

Published to Oxford Scholarship Online: March 2012

DOI: 10.1093/acprof:oso/9780199231447.001.0001

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ContentsFRONT MATTER

Symbols and quantities in parietal cortex: elements of a mathematical theory of number representation and manipulation

Chapter:
(p.526) (p.527) 24 Symbols and quantities in parietal cortex: elements of a mathematical theory of number representation and manipulation
Source:
Sensorimotor Foundations of Higher Cognition
Author(s):

Stanislas Dehaene

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780199231447.003.0024

This chapter discusses a mathematical theory relating neurobiological observations to psychological laws in the domain of numerical cognition. It generates equations for response times and errors in classical tasks of number comparison, and same–different judgments are shown to tightly fit behavioural and neural data. It provides chronometric evidence supporting the hypothesis that the acquisition of number symbols changes the mental number line and examines symbolic and nonsymbolic representations of numbers affecting performance in arithmetic computations such as addition and subtraction.

Keywords:   numerical cognition, mathematical theory, psychological law, neurobiology, number comparison, number symbols, number line

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