Document Detail


Discrimination learning during the first year: stimulus and positional cues.
MedLine Citation:
PMID:  2136753     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
In four studies, 3-, 6-, and 9-month-old human infants were tested in a discrimination learning task in which visual fixation to a particular stimulus or lateral position was reinforced with an auditory stimulus. In Experiment 1, all age groups exhibited acquisition, extinction, and reinstatement of fixation to the reinforced target or position. Experiment 2 revealed that 3-month-olds retained the positional discrimination but not the stimulus discrimination after a 5-min delay between acquisition and extinction; older infants retained both types of discriminations. In Experiments 3 and 4 we investigated a possible developmental shift in the dominance of positional versus stimulus cues by training infants on displays in which stimulus and position were confounded and then by dissociating the cues on test trials. Results from both experiments indicated positional cue dominance for young infants and stimulus cue dominance for older infants. The findings are discussed in terms of differences in the attentional demands elicited by proprioceptive versus exteroceptive cues.
Authors:
J Colombo; D W Mitchell; J T Coldren; J D Atwater
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Journal of experimental psychology. Learning, memory, and cognition     Volume:  16     ISSN:  0278-7393     ISO Abbreviation:  J Exp Psychol Learn Mem Cogn     Publication Date:  1990 Jan 
Date Detail:
Created Date:  1990-02-05     Completed Date:  1990-02-05     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  8207540     Medline TA:  J Exp Psychol Learn Mem Cogn     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  98-109     Citation Subset:  IM    
Affiliation:
Department of Human Development, University of Kansas, Lawrence 66045.
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MeSH Terms
Descriptor/Qualifier:
Attention
Child Development
Child Psychology*
Cues*
Discrimination Learning*
Fixation, Ocular
Humans
Infant
Memory
Proprioception
Space Perception
Grant Support
ID/Acronym/Agency:
HD18290/HD/NICHD NIH HHS; MH14326/MH/NIMH NIH HHS; MH43246/MH/NIMH NIH HHS

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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