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101.
Discrimination training and stimulus compounding: consideration of non-reinforcement and response differentiation consequences of S 下载免费PDF全文
Weiss SJ 《Journal of the experimental analysis of behavior》1971,15(3):387-402
In Exp. 1, four rats were trained on a two-component multiple schedule with tone and light each associated with different variable-interval schedules. Extinction in light-out no-tone, common to previous studies reporting additive summation to compounded discriminative stimuli, was omitted from training. In testing, the simultaneous presentation of tone and light controlled a response rate intermediate between that controlled by these stimuli presented singly. In Exp. 2, animals were trained on three-ply multiple schedules. While tone and light were each associated with variable-interval schedules for both groups, light-out no-tone signalled extinction for one and differential-reinforcement-of-behavior-other-than-bar-pressing for the other. This permitted response reduction during light-out no-tone to be viewed independently of non-reinforcement. Responding of both groups showed summation to tone plus light in testing, with the effect clearly larger for extinction-trained subjects. These experiments indicate that: (1) discrimination training afforded by extinction has been integral to additive summation previously reported, (2) response differentiation and non-reinforcement consequences of extinction training contribute to the magnitude of summation, and (3) summation and peak shift might be functionally related phenomena. 相似文献
102.
Paul A. Weiss 《Zygon》1971,6(2):174-180
This paper is the reprinting under a new title of the “Foreword” of Paul A. Weiss's Life, Order, and Understanding: A Theme in Three Variations, published in 1970 as volume 8 supplement of The Graduate Journal of the University of Texas (Austin, Texas, #5.00 [hardcover], #2.50 [paperback], 157 pages). We reprint this paper here for two reasons. The first is that its beautiful, scientifically grounded imagery of living systems in relation to wave dynamics provides a significant supplement to this issue of Zygon on human values in the context of thermodynamics. The second is that it is hoped this foreword will serve better than would a book review to introduce Zygon readers to the philosophical and scientific wisdom contained in Life, Order, and Understanding.–Editor. 相似文献
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Stanley J. Weiss 《Journal of the experimental analysis of behavior》1967,10(6):535-540
Four rats were trained on a schedule containing stimuli associated with variable-interval 30-sec and differential-reinforcement-of-low-rate 20-sec schedules of reinforcement. Subsequently, a stimulus compounding test was administered that included individual presentations of two intensities of each stimulus plus compounds of these stimuli. In training, extremely high rates were emitted to the variable-interval stimulus, and very low rates to the differential-reinforcement-of-low-rate stimulus. Compounding the two training stimuli always produced an overall response rate intermediate between the rates controlled by the two stimuli separately presented. Essentially the same relationship held with different stimulus intensities. These results resolve the confounding of response and reinforcement variables present in previous conditioning studies reporting response averaging. They are discussed in terms of the incompatibility of the response chains associated with the individual stimuli compounded. 相似文献
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Victor G. Laties Bernard Weiss Richard L. Clark Michael D. Reynolds 《Journal of the experimental analysis of behavior》1965,8(2):107-116
A rat was trained on a schedule that programmed reinforcements only when a minimum waiting time between successive responses was exceeded (DRL schedule). It was observed to fill much of the pause between lever presses with a stereotyped behavioral chain: it would take its tail in its mouth and nibble it. This behavior was shown to be functionally related to the efficiency with which the subject spaced its responses. It is thought to have served as mediating behavior, providing discriminating stimuli for appropriate lever presses. 相似文献
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