Behavioral and Brain Sciences

Open Peer Commentary

A developmental model of number representation

Karin Kuciana1 and Liane Kaufmanna2

a1 MR-Center, University Children's Hospital Zurich, CH-8032 Zurich, Switzerland. karin.kucian@kispi.uzh.ch

a2 Department of Psychology, University of Salzburg, A-5020 Salzburg, Austria. liane.kaufmann@sbg.ac.at

Abstract

We delineate a developmental model of number representations. Notably, developmental dyscalculia (DD) is rarely associated with an all-or-none deficit in numerosity processing as would be expected if assuming abstract number representations. Finally, we suggest that the “generalist genes” view might be a plausible – though thus far speculative – explanatory framework for our model of how number representations develop.

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