Magnitude and timing of nictitating membrane movements during classical conditioning of the rabbit (Oryctolagus cuniculus). |
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Authors: | Kehoe, E. James Ludvig, Elliot A. Dudeney, Joanne E. Neufeld, James Sutton, R. S. |
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Abstract: | A trial-by-trial, subject-by-subject analysis was conducted to determine whether generation of the conditioned response (CR) occurs on a continuous or all-or-none basis. Three groups of rabbits were trained on different partial reinforcement schedules with the conditioned stimulus presented alone on 10%, 30%, or 50%, respectively, of all trials. Plots of each rabbit's nictitating membrane movements revealed that their magnitude rose in a continuous fashion. Response growth during acquisition followed a sigmoidal curve, and the timing of CR-sized movements was largely stable throughout the experiment. The results are discussed with respect to alternative models of CR generation. (PsycINFO Database Record (c) 2010 APA, all rights reserved) |
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Keywords: | conditioning timing rabbit partial reinforcement nictitating membrane |
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