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| Research article summary (published 30 Dec 2002): |
Infants' learning, memory, and generalization of learning for bimodal events.
Full Abstract
Study 1 investigated whether infants 3 and 7 months of age show differential learning of and memory for sight-sound pairs depending on whether or not temporal synchrony was present; memory was assessed after a 10-min and 1-week interval. Study 2 examined whether 7-month-olds show generalization of learning when they encounter novel bimodal events that are similar (changes in size, orientation, or color, and spectral sound properties) to the sight-sound pairs learned 1 week earlier based on temporal synchrony. For Study 1, infants received a familiarization phase followed by a paired-comparison preference procedure to assess for learning of the sight-sound pairs. One week later a memory test was given. Results confirmed that 7-month-olds had no difficulty learning auditory-visual pairings regardless of whether or not events were temporally synchronous, and they remembered these 10 min and 1 week later. In contrast, 3-month-olds showed poorer learning of sight-sound associations in the no-synchrony than synchrony conditions, and memory for sight-sound pairs 1 week later was shown only for the synchrony conditions. Results for Study 2 revealed generalization of learning of bimodal pairings under all stimulus conditions after a 1-week interval at 7 months of age. Implications of these findings for development of intersensory knowledge are discussed.
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Author information
Author/s: Morrongiello, Barbara A (BA); Lasenby, Jennifer (J); Lee, Naomi (N);
Affiliation: Psychology Department, University of Guelph, Guelph, Ont., Canada N1G 2W1. bmorrong(-atsign-)uoguelph.ca
Journal and publication information
Publication Type: Journal Article; Research Support, Non-U.S. Gov't
Journal: Journal of experimental child psychology (J Exp Child Psychol), published in United States. (Language: eng)
Reference: 2003-Jan; vol 84 (issue 1) : pp 1-19
Dates: Created 2003/01/29; Completed 2003/05/23; Revised 2006/11/15;
PMID: 12553915, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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