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Adjusting to changes in the time of reinforcement: peak-interval transitions in rats.
Lejeune, H.; Ferrara, André; Simons, F. et al.
1997In Journal of Experimental Psychology. Animal Behavior Processes, 23 (2), p. 211-31
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Keywords :
Animals; Appetitive Behavior; Male; Mental Recall; Motivation; Proactive Inhibition; Problem Solving; Rats; Reinforcement Schedule; Time Perception
Abstract :
[en] Thirty rats received training on a peak-interval procedure, where a baseline with a 20-s time of reinforcement was interspersed among cyclic transitions to other reinforcement time values (10, 20, 30, or 40 s), each of which was either in force for only a single session or for 3 sessions. Peak times were close to the time of reinforcement on the 20-s baseline and tracked the new reinforcement times both closely (but not exactly) and very rapidly. Peak time during transitions was affected by the criterion value in force on the previous session, exhibiting a proactive interference effect. Analysis of individual peak times during a session showed that transitions from lower to higher reinforcement time values were usually characterized by abrupt jumps in peak time, whereas descending transitions were mostly smooth but rapid.
Disciplines :
Animal psychology, ethology & psychobiology
Author, co-author :
Lejeune, H.
Ferrara, André ;  Université de Liège - ULiège > Département des sciences cognitives > Neuroscience comportementale et psychopharmacologie expér.
Simons, F.
Wearden, J. H.
Language :
English
Title :
Adjusting to changes in the time of reinforcement: peak-interval transitions in rats.
Publication date :
1997
Journal title :
Journal of Experimental Psychology. Animal Behavior Processes
ISSN :
0097-7403
Publisher :
American Psychological Association
Volume :
23
Issue :
2
Pages :
211-31
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 30 November 2009

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