Document Detail

Multiple-pair training enhances transposition in pigeons.
MedLine Citation:
PMID:  18683463     Owner:  NLM     Status:  MEDLINE    
We studied transposition in pigeons by training them to select the smaller (or the larger) of a pair of circles. In training, different groups of pigeons were given one pair, two pairs, or three pairs of circles along the size dimension. Testing included two stimulus pairs for which, according to theoretical postdiscrimination generalization gradients, transposition should decrease from one-pair to two-pair to three-pair training. On the basis of the results of our earlier study (Lazareva, Wasserman, & Young, 2005) and contrary to these predictions, we expected that transposition should increase from one-pair to two-pair to three-pair training. We found that multiple-pair discrimination training enhanced transposition, which, on average, rose from 47% (one-pair training) to 52% (two-pair training) to 64% (three-pair training). In addition, we found that the overall similarity of the testing pair to the training pair(s) modulated the strength of relational responding. These results demonstrate that encountering multiple instances of a rule leads to stronger relational learning, even when reinforcement history predicts the opposite trend. These results also provide strong evidence against stimulus generalization as the sole determinant of relational responding in transposition.
Olga F Lazareva; Michelle Miner; Edward A Wasserman; Michael E Young
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Learning & behavior     Volume:  36     ISSN:  1543-4494     ISO Abbreviation:  Learn Behav     Publication Date:  2008 Aug 
Date Detail:
Created Date:  2008-08-07     Completed Date:  2008-09-04     Revised Date:  2011-01-24    
Medline Journal Info:
Nlm Unique ID:  101155056     Medline TA:  Learn Behav     Country:  United States    
Other Details:
Languages:  eng     Pagination:  174-87     Citation Subset:  IM    
Department of Psychology, University of Iowa, Iowa City, Iowa 52242, USA.
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MeSH Terms
Behavior, Animal
Discrimination Learning*
Spatial Behavior*

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