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The approximate number system represents magnitude and precision

Published online by Cambridge University Press:  15 December 2021

Charles R. Gallistel Open the ORCID record for Charles R. Gallistel [Opens in a new window]
Charles R. Gallistel*
Affiliation:
Rutgers Center for Cognitive Science and Department of Psychology, Piscataway, NJ08854-8020, USA. [email protected]://ruccs.rutgers.edu/gallistel-research-interests
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Abstract

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. Brains, including insect brains, represent the rational numbers with a fixed-point data type, consisting of a significand and an exponent, thereby conveying both magnitude and precision.

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 44 , 2021 , e187
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Copyright
Copyright © The Author(s), 2021. Published by Cambridge University Press

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