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首页> 外文期刊>Animal Cognition >Identity concept learning in matching-to-sample tasks by tufted capuchin monkeys (Cebus apella)
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Identity concept learning in matching-to-sample tasks by tufted capuchin monkeys (Cebus apella)

机译：簇绒卷尾猴（Cebus apella）在匹配样本中的身份概念学习

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The abstract concept of equivalence is considered one of the bases of higher-order cognition, and it has been the subject of considerable research in comparative cognition. This study examined the conditions under which tufted capuchin monkeys (Cebus apella) are able to acquire an identity concept. Six capuchin monkeys were trained to solve a visual matching-to-sample (MTS) task on the basis of perceptual identity. The acquisition of the identity rule was inferred from the subject’s ability to solve transfer tests with novel stimuli. We evaluated the ability of the capuchin monkeys to match the shape of novel stimuli after training with both several small stimulus sets (Experiment 1) and a large stimulus set (Experiment 2). Moreover, we examined the ability of capuchins to transfer the concept to novel visual dimensions, such as colour and size and to transfer to novel spatial arrangements of the stimuli (Experiment 2). We demonstrated that the ability of capuchins to match novel stimuli was improved by increasing the number of stimuli used during training (Experiments 1 and 2) and that after a widely applicable identity concept based on the stimulus shape was acquired, the capuchins were able to match stimuli according to an identity rule based on both the colour and size of the stimuli and when the spatial arrangement of the stimuli was varied (Experiment 2). This study is the first to demonstrate that the size of the training set affects the acquisition of an abstract identity concept in an MTS task in non-human primates.
机译：等价的抽象概念被认为是高阶认知的基础之一，并且已经成为比较认知中大量研究的主题。这项研究研究了簇状卷尾猴（Cebus apella）能够获得身份认同概念的条件。训练了六只卷尾猴，以根据感知身份解决视觉匹配样本（MTS）任务。身份规则的获得是从受试者用新颖刺激解决转移测试的能力推断出来的。我们在训练了几种小型刺激物（实验1）和大型刺激物（实验2）后，评估了卷尾猴适应新刺激物形状的能力。此外，我们研究了卷尾猴将概念转换为新颖的视觉尺寸（例如颜色和大小）以及转换为刺激的新颖空间排列的能力（实验2）。我们证明，通过增加训练过程中使用的刺激数量（实验1和2），提高了卷尾猴匹配新刺激物的能力，并且在获得了基于刺激形状的广泛适用的身份概念之后，卷尾猴能够进行匹配根据基于刺激的颜色和大小以及何时改变刺激的空间排列的同一性规则的刺激（实验2）。这项研究首次证明训练集的大小会影响非人类灵长类动物在MTS任务中抽象身份概念的获得。

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