Number concepts without number lines in an indigenous group of Papua New Guinea.

BACKGROUND: The generic concept of number line, which maps numbers to unidimensional space, is a fundamental concept in mathematics, but its cognitive origins are uncertain. Two defining criteria of the number line are that (i) there is a mapping of each individual number (or numerosity) under consi...

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Bibliographic Details
Main Authors: Rafael Núñez, Kensy Cooperrider, Jürg Wassmann
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2012-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC3338449?pdf=render