Blocking in the Morris swimming pool.
Blocking in the Morris swimming pool.
复制标题
莫里斯游泳池被堵。
DOI：
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发表时间：
1999
期刊：
影响因子：
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通讯作者：
John M. Pearce
中科院分区：
文献类型：
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作者：
A. Roberts;John M. Pearce
四项实验表明，空间阻塞与巴甫洛夫条件反射中的阻塞原理相同。在每个实验的第二阶段，老鼠通过游到附有信标的水下平台逃离莫里斯游泳池。然后在没有平台和信标的情况下进行测试，以评估受试者参考房间线索了解平台位置的程度。在训练的第一阶段，老鼠要么在有窗帘的情况下游到平台和信标，以防止看到房间线索（实验1和2），要么游到从一个试验移到另一个试验的平台和信标（实验3和4）。在每个实验中，在实验的第二阶段了解房间线索都会因信标的存在而受到阻碍。通过在训练的第二阶段改变信标的外观或在训练的第一阶段限制信标的暴露量，可以破坏这种阻挡效果。
Four experiments demonstrate that spatial blocking is governed by the same principles that govern blocking in Pavlovian conditioning. In the 2nd stage of each experiment, rats escaped from a Morris swimming pool by swimming to a submerged platform with a beacon attached to it. Test trials were then conducted in the absence of the platform and the beacon to assess the extent to which subjects had learned about the position of the platform with reference to the room cues. For the 1st stage of their training, rats either swam to the platform and beacon in the presence of curtains that prevented the room cues from being seen (Experiments 1 & 2), or they swam to the platform and beacon that were moved from trial to trial (Experiments 3 & 4). In each experiment, learning about the room cues in the 2nd stage of the experiment was blocked by the presence of the beacon. This blocking effect was disrupted by changing the appearance of the beacon for the 2nd stage of training or by restricting the amount of exposure to the beacon during the 1st phase of training.