| Response variability in pigeons in a Pavlovian task. | |
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MedLine Citation:
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PMID: 20400731 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Instrumental response variation is inversely related to reward probability. Gharib, Derby, and Roberts (2001) theorized that individuals behave more variably when their expectation of reward is low. They postulate that this behavioral rule assists the discovery of alternative actions when a target response is unlikely to be reinforced. This suggests that response variability may be unaffected in a situation in which an animal's behavior is inconsequential to outcome delivery. We trained 6 pigeons in a within-subjects Pavlovian autoshaping procedure. On any given trial, the pigeons were presented with one of six colored discs on a touchscreen; each stimulus was associated with a particular probability of food, ranging from 100% to 0.6%. Pecking was more variable with low probabilities of food delivery, thus extending the rule relating variability and expectation to a Pavlovian situation. |
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Authors:
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W David Stahlman; Michael E Young; Aaron P Blaisdell |
Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural |
Journal Detail:
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Title: Learning & behavior Volume: 38 ISSN: 1543-4494 ISO Abbreviation: Learn Behav Publication Date: 2010 May |
Date Detail:
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Created Date: 2010-04-19 Completed Date: 2010-06-07 Revised Date: 2011-01-24 |
Medline Journal Info:
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Nlm Unique ID: 101155056 Medline TA: Learn Behav Country: United States |
Other Details:
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Languages: eng Pagination: 111-8 Citation Subset: IM |
Affiliation:
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Department of Psychology, University of California, Los Angeles, California 90095-1563, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Appetitive Behavior* Association Learning* Color Perception* Columbidae* Conditioning, Classical* Male Probability Learning* Reward |
| Grant Support | |
ID/Acronym/Agency:
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MH066855/MH/NIMH NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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