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Productive Vocabulary Size Predicts Event-related Potential Correlates of Fast Mapping in 20-Month-Olds

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Author

  • Janne von Koss Torkildsen
  • Janne Mari Svangstu
  • Hanna Friis Hansen
  • Lars Smith
  • Hanne Gram Simonsen
  • Inger Moen
  • Magnus Lindgren

Summary, in English

Although it is well documented that children undergo a productive vocabulary spurt late in the second year, it is unclear whether this development is accompanied by equally significant advances in receptive word processing. In the present study, we tested an electrophysiological procedure for assessing receptive word learning in young children, and the impact of productive vocabulary size for performance in this task. We found that 20-month-olds with high productive vocabularies displayed an N400 incongruity effect to violations of trained associations between novel words and pictures, whereas 20-month-olds with low productive vocabularies did not. However, both high and low producers showed an N400 effect for common real words paired with an incongruous object. These findings indicate that there may be substantial differences in receptive fast mapping efficiency between typically developing children who have reached a productive vocabulary spurt and typically developing children who have not yet reached this productive spurt.

Publishing year

2008

Language

English

Pages

1266-1282

Publication/Series

Journal of Cognitive Neuroscience

Volume

20

Issue

7

Document type

Journal article

Publisher

MIT Press

Topic

  • Psychology

Status

Published

ISBN/ISSN/Other

  • ISSN: 1530-8898