Bonardi C, Hall G
Department of Psychology, University of York, Heslington, U.K.
Q J Exp Psychol B. 1994 Feb;47(1):63-81.
In two experiments rats received training on two concurrent appetitive feature-positive discriminations. A preliminary test in Experiment 1 confirmed previous demonstrations of the transfer of occasion-setting properties--the feature from one of these discriminations was better able to facilitate responding to the occasion-set target CS from the second discrimination than to a control stimulus that had not been the subject of occasion-setting. The source of this transfer was investigated in a second phase of training, and in Experiment 2. In both experiments one of the occasion-set CSs was paired with food, and generalization of appetitive conditioned responding from this stimulus to the second occasion-set CS, and to a control cue, was examined. There was more generalization from the first occasion-set CS to the second CS that had also been occasion-set than to the control cue. This is taken as evidence that occasion-set CSs are rendered more similar as a result of their common training history. The implications of these findings for explaining transfer of occasion setting are discussed.
在两项实验中，大鼠接受了两种同时进行的正向特征性辨别训练。实验1中的一项初步测试证实了先前关于情境设定属性转移的研究结果——其中一种辨别训练中的特征比未作为情境设定对象的控制刺激更能促进对第二种辨别训练中的情境设定目标条件刺激的反应。在训练的第二阶段以及实验2中，对这种转移的来源进行了研究。在两个实验中，其中一个情境设定条件刺激与食物配对，并检验了从该刺激到第二个情境设定条件刺激以及到一个控制线索的正向条件反应的泛化情况。与控制线索相比，从第一个情境设定条件刺激到同样经过情境设定的第二个条件刺激的泛化更多。这被视为情境设定条件刺激由于其共同的训练历史而变得更加相似的证据。讨论了这些发现对解释情境设定转移的意义。
