Within-session responding as a function of force required for lever press

Four male Sprague-Dawley rats pressed a lever for food reinforcers delivered by a multiple variable interval 1-min variable interval 1-min schedule. Components alternated every 5 min. The force required to move the lever was 0.25, 0.15, 1.10, 0.75, and 0.50 N in different conditions. Changes in the...

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Bibliographic Details
Published in:Behavioural processes 1996-09, Vol.37 (2), p.217-224
Main Authors: Melville, Cam L., Rybiski, Loraine R., Kamrani, Boddie
Format: Article
Language:English
Subjects:
Animal
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Learning
Learning. Memory
Lever press
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Rat
Reinforcement
Responding
Within-session
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Summary:Four male Sprague-Dawley rats pressed a lever for food reinforcers delivered by a multiple variable interval 1-min variable interval 1-min schedule. Components alternated every 5 min. The force required to move the lever was 0.25, 0.15, 1.10, 0.75, and 0.50 N in different conditions. Changes in the force requirement did not alter the within-session pattern of responding. These results are consistent with other experiments suggesting that muscle warm-up and fatigue are not sufficient explanations for the within-session pattern of responding.
ISSN:0376-6357
1872-8308
DOI:10.1016/0376-6357(96)00008-3