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| Research article summary (published 29 Nov 2002): |
Effect of delay interval on classical eyeblink conditioning in 5-month-old human infants.
Full Abstract
Associative learning was evaluated in human infants with simple delay classical eyeblink conditioning. A tone conditioned stimulus (CS) was paired with an airpuff unconditioned stimulus (US) at three different delay intervals (250, 650, and 1,250 ms). Independent groups of healthy, full-term 5-month-old human infants were assigned to these three paired conditions and received two identical training sessions 1 week apart. The two longer delays resulted in associative conditioning, as confirmed by comparison with unpaired control groups. However, only at the 650-ms delay were associative eyeblinks adaptively timed to avoid the airpuff. The delay function at 5 months of age appears much sharper than is observed in adults. Together with the findings of A. H. Little, L. P. Lipsitt, and C. Rovee-Collier (1984), the present study suggests a downward shift in the optimal delay interval for associative eyeblink conditioning between 1 and 6 months of age. However, this delay remains longer than what is typically reported in adults.Copyright 2002 Wiley Periodicals, Inc. Dev Psychobiol 41: 329-340, 2002. Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/dev.10050
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Author information
Author/s: Claflin, Dragana I (DI); Stanton, Mark E (ME); Herbert, Jane (J); Greer, Jennifer (J); Eckerman, Carol O (CO); Klaflin, Dragana I (DI);
Affiliation: Department of Psychology and Integrated Toxicology Curriculum, Duke University, Durham, NC, USA.
Grants: MH 11729 (Agency:United States NIMH) ; P01 HD 35466 (Agency:United States NICHD)
Journal and publication information
Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.
Journal: Developmental psychobiology (Dev Psychobiol), published in United States. (Language: eng)
Reference: 2002-Dec; vol 41 (issue 4) : pp 329-40
Dates: Created 2002/11/13; Completed 2003/06/24; Revised 2007/11/14;
PMID: 12430157, 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.
Comments and Corrections
ErratumIn: Dev Psychobiol. 2003 Mar;42(2):223. (Note: Klaflin Dragana I [corrected to Claflin Dragana I])
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