Changes in response to S+ and S? during acquisition and overtraining of simultaneous discriminations in rats |
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| Authors: | Jean M Mandler James Goldberg |
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| Institution: | 1. Department of Psychology, University of California, 92037, San Diego, La Jolla, California
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| Abstract: | Two experiments with rats investigated learning about S+ and S? during various stages of discrimination training. Transfer tests, in which either S+ or S? was retained, or two new stimuli were presented, were used to assess learning early in acquisition, at criterion, or following overtraining. Both choice and latency measures were used. Results indicated that learning about S+ occurs early in acquisition when noncorrection training is given, and little improvement occurs after that time, at least up to 70 trials of overtraining under present conditions. Learning about S? begins somewhat later in acquisition and continues throughout overtraining. When correction training is used, learning about S? occurs earlier in acquisition, and further learning about both S+ and S? occurs during overtraining. |
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