Tamara Carolina, Timberlake William
Cognitive Science Program, Center for the Integrative Study of Animal Behavior, Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN 47405, USA.
Behav Processes. 2011 Jan;86(1):125-32. doi: 10.1016/j.beproc.2010.10.007. Epub 2010 Oct 31.
Many foraging animals rely on visual landmarks and/or habitual paths to locate important resources. We examined the degree to which rats rely on these cues when they predicted conflicting food locations. In this foraging task, rats were required to find food which could be located using either a fixed route or a nearby visual landmark. In tests, we found that their subsequent search-based estimates of the food location were the same when animals had acquired a long-term memory of the route, the landmark, or both. We show that the degree to which animals rely on the cues depends not only on the discrepancy between the two cues, but also on whether animals can match the testing "view" with a learned "view" that has been acquired during training.
许多觅食动物依靠视觉地标和/或习惯路径来找到重要资源。我们研究了大鼠在预测相互冲突的食物位置时对这些线索的依赖程度。在这项觅食任务中，要求大鼠找到可以通过固定路线或附近视觉地标来定位的食物。在测试中，我们发现，当动物对路线、地标或两者都形成长期记忆后，它们随后基于搜索的食物位置估计是相同的。我们表明，动物对线索的依赖程度不仅取决于两个线索之间的差异，还取决于动物能否将测试“视角”与训练期间获得的已学习“视角”相匹配。
