| Increasing magnitude counts more: Asymmetrical processing of ordinality in 4-month-old infants. | |
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MedLine Citation:
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PMID: 22676954 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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While infants' ability to discriminate quantities has been extensively studied, showing that this competence is present even in neonates, the ability to compute ordinal relations between magnitudes has received much less attention. Here we show that the ability to represent ordinal information embedded in size-based sequences is apparent at 4months of age, provided that magnitude changes involve increasing relations. Infants in Experiments 1A and 1B discriminated changes in ordinal relations after habituation to ascending sequences, but did not show evidence of discrimination after habituation to descending sequences. In Experiment 2 we replicated this asymmetry in magnitude discrimination even when additional cues known to boost ordinal competence were provided. The presence of an asymmetry between ascending vs. descending order during infancy suggests a developmental continuity in the underlying code used to represent magnitude, whereby the reported addition advantage in children and adults' arithmetic performance emerges. |
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Authors:
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Viola Macchi Cassia; Marta Picozzi; Luisa Girelli; Maria Dolores de Hevia |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-6-5 |
Journal Detail:
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Title: Cognition Volume: - ISSN: 1873-7838 ISO Abbreviation: - Publication Date: 2012 Jun |
Date Detail:
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Created Date: 2012-6-8 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0367541 Medline TA: Cognition Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012 Elsevier B.V. All rights reserved. |
Affiliation:
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Università degli Studi di Milano-Bicocca, Department of Psychology, Piazza dell'Ateneo Nuovo 1, 20126 Milano, Italy. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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