Journal
COGNITION
Volume 87, Issue 1, Pages B23-B34Publisher
ELSEVIER
DOI: 10.1016/S0010-0277(02)00186-5
Keywords
word-learning; mutual exclusivity; disjunctive syllogism
Categories
Funding
- NICHD NIH HHS [HD-38338-01] Funding Source: Medline
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Two studies investigated young infants' use of the word-learning principle Mutual Exclusivity. In Experiment 1, a linear relationship between age and performance was discovered. Seventeen-month-old infants successfully used Mutual Exclusivity to map novel labels to novel objects in a preferential looking paradigm. That is, when presented a familiar and a novel object (e.g. car and phototube) and asked to look at the dax, 17-month-olds increased looking to the novel object (i.e. phototube) above baseline preference. On these trials, 16-month-olds were at chance. And, 14-month-olds systematically increased looking to the familiar object (i.e. car) in response to hearing the novel label dax. Experiment 2 established that this increase in looking to the car was due solely to hearing the novel label dax. Several possible interpretations of the surprising form of failure at 14 months are discussed. (C) 2002 Elsevier Science B.V. All rights reserved.
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