转置范式中关系反应的三分量模型。

IF 1.3 4区 心理学
Olga F Lazareva, Michael E Young, Edward A Wasserman
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引用次数: 17

摘要

我们提出了一个新的移位行为模型,该模型涉及3个预测因素:(a)从先前强化和未强化的刺激(g)到测试对中的刺激的广义联想强度的差异;(b)关系差异(r),测试刺激的对数尺度感官值的差异;(c)熟悉度(f),在二维刺激空间中测试对到最近的训练对的欧氏距离的倒数。我们以鸽子为实验对象,以圆周直径(实验1)和运动速度(实验2)为感官维度对模型进行评价。在每个实验中,我们提供了1、2或3个训练配对以及广泛的测试配对,包括那些包含非相邻训练刺激的配对。g所施加的控制不依赖于训练对的数量,并且在1对训练后比r和f更好地预测行为。相反,r的影响随着训练对数量的增加而显著增加。f的贡献取决于刺激域:当使用圆面积时(实验1),f的影响与r相似;然而,当使用运动速度(实验2)时,f对鸽子的行为没有明显的影响。综上所述,我们的研究结果表明,鸽子的换位行为受强化历史(g)和实验刺激之间的关系(r和f)的影响;我们的模型为评估每个预测器对选择行为的相对贡献提供了一个原则性的方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A three-component model of relational responding in the transposition paradigm.

We present a new model of transposition behavior that involves 3 predictors: (a) the disparity in generalized associative strength from the previously reinforced and nonreinforced stimuli (g) to the stimuli in the testing pair; (b) relational disparity (r), the difference in the logarithmically scaled sensory values of the testing stimuli; and (c) familiarity (f), the inverse of the Euclidean distance from the testing pair to the nearest training pair in 2-dimensional stimulus space. We evaluated the model with pigeons as subjects and with circle diameter (Experiment 1) and speed of motion (Experiment 2) as sensory dimensions. In each experiment, we presented 1, 2, or 3 training pairs as well as a wide range of testing pairs, including those comprising nonadjacent training stimuli. The control that was exerted by g did not depend on the number of training pairs and predicted behavior better than r and f after 1-pair training. In contrast, the influence of r increased dramatically with an increase in the number of training pairs. The contribution of f depended on the stimulus domain: When circle area was used (Experiment 1), the influence of f was similar to r; however, when speed of motion was used (Experiment 2), f had no discernible effect on pigeons' behavior. In sum, our results suggest that pigeons' transposition behavior is affected by both reinforcement history (g) and the relation between the experimental stimuli (r and f); our model provides a principled means for assessing the relative contribution of each predictor to choice behavior.

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来源期刊
自引率
23.10%
发文量
0
审稿时长
>12 weeks
期刊介绍: The Journal of Experimental Psychology: Animal Learning and Cognition publishes experimental and theoretical studies concerning all aspects of animal behavior processes.
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