Tool manipulation by rats (Rattus norvegicus) according to the position of food.
Tool manipulation by rats (Rattus norvegicus) according to the position of food.
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DOI：
10.1038/s41598-017-06308-7
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发表时间：
2017-07-20
影响因子：
4.6
通讯作者：
Aoyama K
中科院分区：
文献类型：
--
作者：
Nagano A;Aoyama K
在野生和实验环境中的非人类动物中观察到了工具使用行为。在本研究中，我们研究了大鼠（Rattusnorvegicus）是否可以根据食物的位置操纵工具来在实验环境中获取食物。在最初的训练阶段，八只老鼠被训练使用耙子形状的工具来获取超出其能力范围的食物。训练后，将耙子放置在实验装置的中央，并将食物放置在耙子的左侧或右侧。老鼠学会了操纵耙子来获取食物，而在这种情况下，它们无法通过将耙子垂直于自己拉动来获取食物。因此，我们的研究结果表明，大鼠是研究工具使用行为的行为和神经机制的潜在动物模型。
Tool-use behaviour has been observed in nonhuman animals in the wild and in experimental settings. In the present study, we investigated whether rats (Rattus norvegicus) could manipulate a tool according to the position of food to obtain the food in an experimental setting. Eight rats were trained to use a rake-shaped tool to obtain food beyond their reach using a step-by-step protocol in the initial training period. Following training, the rake was placed at the centre of the experimental apparatus, and food was placed on either the left or right side of the rake. Rats learned to manipulate the rake to obtain food in situations in which they could not obtain the food just by pulling the rake perpendicularly to themselves. Our findings thus indicate that the rat is a potential animal model to investigate the behavioural and neural mechanisms of tool-use behaviour.
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