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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
1
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pubmed:dateCreated |
1987-10-21
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pubmed:abstractText |
Pigeons were presented a concurrent-chains schedule of reinforcement that had terminal links of equal duration. The initial links of the schedule were periodically interrupted by 15-s periods during which an extinction schedule was in effect. The extinction periods were presented on either a response-contingent or a noncontingent basis. Relative response rate for the left alternative decreased when the extinction periods were accompanied by the left terminal-link stimulus. Relative response rate for the right alternative decreased when the extinction periods were accompanied by the right terminal-link stimulus. Relative response rate varied inversely with the frequency of presentation of the extinction periods but was unaffected by presence versus absence of the response contingency in the schedule of extinction-period presentation. Furthermore, relative response rate was unaffected by presentation of extinction periods accompanied by a novel stimulus. When the extinction periods were presented after reinforcement in the left terminal link instead of as interruptions of the initial links, relative response rate for the left alternative was reduced if the postreinforcement extinction period was accompanied by the terminal-link stimulus for the left chain and reduced less if the extinction period was accompanied by the terminal-link stimulus for the right chain. The results demonstrate that the correlation between the terminal-link stimulus and extinction influenced the relative response rate in the initial link.
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pubmed:grant |
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pubmed:commentsCorrections |
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-14120136,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-14130099,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-14282403,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-16811303,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-16811307,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-16811392,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-16811615,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-16811674,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-16811675,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-16811718,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-16811758,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-16812041,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-16812154,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-16812204,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-16812218,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-16812295,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-16812303,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-16812364,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-16812388,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-16812420,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-16812428,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-16812458,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-3559459,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-3746189,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-4020322,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-4067510,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-528894,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-5660707,
http://linkedlifedata.com/resource/pubmed/commentcorrection/3625101-7069375
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:status |
MEDLINE
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pubmed:month |
Jul
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pubmed:issn |
0022-5002
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:volume |
48
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
117-31
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pubmed:dateRevised |
2010-9-10
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pubmed:meshHeading |
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pubmed:year |
1987
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pubmed:articleTitle |
Devaluation of stimuli contingent on choice: evidence for conditioned reinforcement.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, U.S. Gov't, Non-P.H.S.
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