1. Cognition. 2016 Feb 3; 150: 68-76. doi: 10.1016 / j.cognition.2016.01.018. [Epub
Ahead of Print] Beyond magnitude: Judging Ordinality of symbolic Number is unrelated to magnitude comparison and independently relates to individual differences in arithmetic. Goffin C (1), Ansari D (2). Author information: (1) Numerical Cognition Laboratory,. Department of Psychology & Brain and Mind Institute, The University of Western Ontario, Canada. (2) Numerical Cognition Laboratory, Department of Psychology and Brain & Mind Institute, The University of Western Ontario, Canada. Electronic address: Daniel.ansari@uwo.ca. In the Field of Numerical cognition, Ordinality, or the Sequence of Numerals, has received much Attention Less than cardinality, or the Number of items in a SET. Therefore it is unclear whether the Numerical. Generated from Ordinality effects and cardinality Tasks are associated, and whether they Relate to Math achievement and more DOMAIN-general in similar variables Ways. To address these questions, Sixty adults completed Ordinality, cardinality, Visual-spatial working memory, inhibitory Control and Math achievement Tasks. Numerical Distance from the Effect the cardinality and the Task Reverse Effect Distance from the Task Ordinality were both statistically significantly associated with relatively Reliable but not one another. Additionally, both effects predicted Distance Independent Unique variance in Math Scores, even when Visual-spatial working memory and inhibitory Control were included in the regression Model. These findings provide Support for dissociation in the Mechanisms underlying Cardinal and ordinal Processing of Number Symbols and thereby Highlight the Critical role Played by Ordinality in symbolic Numerical cognition. Copyright © the 2,016th Elsevier BV All rights reserved. PMID: 26851638 [PubMed - as supplied by Publisher. ]
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