| Individual differences in arithmetic skill reflected in event-related brain potentials. | |
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MedLine Citation:
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PMID: 21376762 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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We used event-related brain potentials (ERP) to study the problem-size effect in individuals with high and low arithmetic skill. Participants were presented with a classic equality verification task, and problem size was manipulated by using small (e.g., 3+4), medium (e.g., 7+8) and large problems (e.g., 16+29). ERP analyses were time-locked to the onset of the second operand in order to address brain potentials during the production phase. High-skill individuals (HS) showed a positive slow wave when solving large problems and no differences in the ERP pattern when solving small and medium problems. In contrast, low-skill individuals (LS) showed a positive slow wave when solving medium and large problems. Given that differences between high and low skill individuals have been related to differences in calculation strategies, these results provide further support to the utility of using ERP as a signature of arithmetic strategy. |
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Authors:
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M Isabel Núñez-Peña; María Gracia-Bafalluy; Elisabet Tubau |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-3-2 |
Journal Detail:
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Title: International journal of psychophysiology : official journal of the International Organization of Psychophysiology Volume: - ISSN: 1872-7697 ISO Abbreviation: - Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-3-7 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8406214 Medline TA: Int J Psychophysiol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2010. Published by Elsevier B.V. |
Affiliation:
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Department of Behavioral Sciences Methods, Faculty of Psychology, University of Barcelona, Spain; Institute for Brain, Cognition and Behavior (IR3C), University of Barcelona, Spain. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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