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首页> 外文期刊>The Journal of Experimental Biology >No evidence for olfactory blocking in honeybee classical conditioning
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No evidence for olfactory blocking in honeybee classical conditioning

机译：蜜蜂经典调理中没有嗅觉阻滞的证据

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摘要

We use binary odorant compounds to investigate 'blocking' in honeybees which learn to associate an odorant (A-D) with a sucrose reward as the reinforcer (+). 'Blocking' means that learning about a stimulus B is reduced when trained in compound with a stimulus A that has previously been trained alone. Thus, reinforcement of B in these circumstances is not sufficient to induce learning. Such blocking is a frequently observed phenomenon in vertebrate learning and has also recently been reported in honeybee olfactory learning. To explain blocking, current models of conditioning include cognition-like concepts of attention or expectation which, consequently, seem also to apply to honeybees. Here, we first reproduce a blocking-like effect in an experimental design taken from the literature. We identify two confounding variables in that design and experimentally demonstrate their potential to support a blocking-like effect. After eliminating these confounding variables using a series of different training procedures, the blocking-like effect disappeared. Thus, convincing evidence for blocking in honeybee classical conditioning is at present lacking. This casts doubt on the applicability of cognition-like concepts to honeybees.
机译：我们使用二元气味化合物研究蜜蜂中的“阻滞”，从而学会将气味（A-D）与作为增强剂（+）的蔗糖奖励联系起来。 “阻止”是指与先前单独训练过的刺激A一起训练时，减少了对刺激B的了解。因此，在这种情况下加强B不足以诱发学习。这种阻塞是脊椎动物学习中经常观察到的现象，并且最近在蜜蜂嗅觉学习中也有报道。为了解释障碍，当前的调节模型包括类似认知的注意或期望概念，因此似乎也适用于蜜蜂。在这里，我们首先从文献中获得的实验设计中再现了类似块的效果。我们在该设计中确定了两个混淆的变量，并通过实验证明了它们潜在的潜力来支持类似块效应。在使用一系列不同的训练方法消除了这些混杂变量之后，类似阻滞的作用消失了。因此，目前缺乏令人信服的证据来阻止蜜蜂进行经典调理。这使人们对类似认知的概念对蜜蜂的适用性产生怀疑。

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