Abstract:
:Six male albino rats were placed in running wheels and exposed to a fixed-interval 30-s schedule of lever pressing that produced either a drop of sucrose solution or the opportunity to run for a fixed duration as reinforcers. Each reinforcer type was signaled by a different stimulus. In Experiment 1, the duration of running was held constant at 15 s while the concentration of sucrose solution was varied across values of 0, 2.5. 5, 10, and 15%. As concentration decreased, postreinforcement pause duration increased and local rates decreased in the presence of the stimulus signaling sucrose. Consequently, the difference between responding in the presence of stimuli signaling wheel-running and sucrose reinforcers diminished, and at 2.5%, response functions for the two reinforcers were similar. In Experiment 2, the concentration of sucrose solution was held constant at 15% while the duration of the opportunity to run was first varied across values of 15, 45, and 90 s then subsequently across values of 5, 10, and 15 s. As run duration increased, postreinforcement pause duration in the presence of the wheel-running stimulus increased and local rates increased then decreased. In summary, inhibitory aftereffects of previous reinforcers occurred when both sucrose concentration and run duration varied; changes in responding were attributable to changes in the excitatory value of the stimuli signaling the two reinforcers.
journal_name
J Exp Anal Behavjournal_title
Journal of the experimental analysis of behaviorauthors
Belke TW,Hancock SDdoi
10.1901/jeab.2003.79-243subject
Has Abstractpub_date
2003-03-01 00:00:00pages
243-65issue
2eissn
0022-5002issn
1938-3711journal_volume
79pub_type
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journal_title:Journal of the experimental analysis of behavior
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journal_title:Journal of the experimental analysis of behavior
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journal_title:Journal of the experimental analysis of behavior
pub_type: 杂志文章
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更新日期:1973-01-01 00:00:00
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journal_title:Journal of the experimental analysis of behavior
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pub_type: 杂志文章
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更新日期:1973-11-01 00:00:00
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journal_title:Journal of the experimental analysis of behavior
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journal_title:Journal of the experimental analysis of behavior
pub_type: 杂志文章
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更新日期:1979-09-01 00:00:00
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journal_title:Journal of the experimental analysis of behavior
pub_type: 杂志文章
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journal_title:Journal of the experimental analysis of behavior
pub_type: 杂志文章,评审
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更新日期:1993-07-01 00:00:00
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journal_title:Journal of the experimental analysis of behavior
pub_type: 杂志文章
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pub_type: 杂志文章
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journal_title:Journal of the experimental analysis of behavior
pub_type: 杂志文章
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更新日期:1965-05-01 00:00:00
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journal_title:Journal of the experimental analysis of behavior
pub_type: 杂志文章
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更新日期:1993-01-01 00:00:00
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journal_title:Journal of the experimental analysis of behavior
pub_type: 杂志文章
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更新日期:1989-09-01 00:00:00
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journal_title:Journal of the experimental analysis of behavior
pub_type: 杂志文章
doi:10.1901/jeab.1981.36-317
更新日期:1981-11-01 00:00:00
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journal_title:Journal of the experimental analysis of behavior
pub_type: 杂志文章
doi:10.1901/jeab.1981.36-41
更新日期:1981-07-01 00:00:00
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journal_title:Journal of the experimental analysis of behavior
pub_type: 杂志文章
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更新日期:1979-01-01 00:00:00
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journal_title:Journal of the experimental analysis of behavior
pub_type: 杂志文章
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更新日期:1972-07-01 00:00:00
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journal_title:Journal of the experimental analysis of behavior
pub_type: 杂志文章
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更新日期:2011-01-01 00:00:00