...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>The Journal of Experimental Biology >Weak and strong priming cues in bumblebee contextual learning
【24h】

Weak and strong priming cues in bumblebee contextual learning

机译：大黄蜂情境学习中的弱而强烈的启动线索

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Bees have the flexibility to modulate their response to a visual stimulus according to the context in which the visual stimulus is seen. They readily learn that in one context a yellow target, but not a blue one, should be approached to reach sucrose and that in another context blue, but not yellow, leads to sucrose. Here we contrast the bumblebee's ability to use two types of contextual or priming cue in deciding which of two coloured targets to approach. Bumblebees could perform this task well when the pairs of colours to be discriminated were in two different places, so that the cues associated with each place indicated whether the bees should select a blue or a yellow target. In this case the priming cues were presented concurrently with the rewarded stimuli. Priming cues, which occur a little earlier than a rewarded stimulus, seem less powerful in their ability to bias a bee's choice of rewarded stimulus.We tried with a variety of methods to train bees to use a priming colour to indicate which of two colours should be approached a few seconds later. Our only success with such sequential priming cues was when each pair of rewarded and unrewarded colours could be distinguished by additional spatial cues. Bees were trained to choose a blue-black checkerboard over a yellow-black checkerboard, after viewing a yellow priming cue, and to choose a uniform yellow target over a uniform blue one, after viewing a blue priming cue. They performed this task almost without error. To see whether bees had associated each rewarded stimulus with the relevant sequential priming cue, bees were tested with a choice between the two rewarded stimuli (the yellow target and the blue-black checkerboard). The bees' choice was biased towards the blue-black checkerboard, when the preceding priming cue was yellow, and towards the yellow target, when the priming cue was blue. We suppose that the experiment works because the presence or absence of the checkerboard provides an additional distinguishing spatial cue that can be linked to and reinforce the sequential one. Under natural conditions, as when bees follow routes, there will normally be such a synergy between spatial and sequential cues.
机译：蜜蜂可以根据看到视觉刺激的环境灵活地调节其对视觉刺激的反应。他们很容易地了解到，在一种情况下应该接近黄色的目标，而不是蓝色的目标才能达到蔗糖;而在另一种情况下，蓝色而不是黄色的目标会达到蔗糖。在这里，我们对比了大黄蜂使用两种类型的上下文提示或启动提示来决定要接近两个有色目标中的哪一个的能力。当要区分的颜色对位于两个不同的位置时，大黄蜂可以很好地完成此任务，因此与每个位置相关的提示会指示蜜蜂应该选择蓝色还是黄色目标。在这种情况下，启动提示与奖励刺激同时出现。引发提示早于奖励刺激出现，但它们偏向蜜蜂对奖励刺激选择的能力似乎不那么强大。我们尝试了多种方法来训练蜜蜂使用引发颜色来指示应使用两种颜色中的哪一种几秒钟后被接近。这种顺序启动提示的唯一成功是可以通过其他空间提示来区分每对有奖和无奖的颜色。训练蜜蜂在观察黄色启动提示后，选择蓝黑色棋盘，而不是黄黑色棋盘，并在查看蓝色启动提示后，选择均匀的黄色目标，而不是均匀的蓝色目标。他们几乎没有错误地完成了这项任务。为了查看蜜蜂是否已将每个奖励刺激与相关的顺序启动提示相关联，对蜜蜂进行了测试，并在两种奖励刺激（黄色目标和蓝黑色棋盘）之间进行选择。当前面的启动提示为黄色时，蜜蜂的选择偏向蓝黑色棋盘，而当启动提示为蓝色时，则偏向黄色目标。我们认为该实验之所以有效，是因为棋盘的存在与否提供了另外一种与众不同的空间线索，该线索可以与顺序线索相联系并得到加强。在自然条件下，当蜜蜂遵循路线时，通常在空间和顺序提示之间会产生这种协同作用。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号