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首页> 外文期刊>Neuron >Matching categorical object representations in inferior temporal cortex of man and monkey.
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Matching categorical object representations in inferior temporal cortex of man and monkey.

机译:在人和猴子的下颞皮质中匹配分类对象表示。

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摘要

Inferior temporal (IT) object representations have been intensively studied in monkeys and humans, but representations of the same particular objects have never been compared between the species. Moreover, IT's role in categorization is not well understood. Here, we presented monkeys and humans with the same images of real-world objects and measured the IT response pattern elicited by each image. In order to relate the representations between the species and to computational models, we compare response-pattern dissimilarity matrices. IT response patterns form category clusters, which match between man and monkey. The clusters correspond to animate and inanimate objects; within the animate objects, faces and bodies form subclusters. Within each category, IT distinguishes individual exemplars, and the within-category exemplar similarities also match between the species. Our findings suggest that primate IT across species may host a common code, which combines a categorical and a continuous representationof objects.
机译:在猴子和人类中,对下颞(IT)物体的表示进行了深入研究,但从未在物种之间比较相同特定物体的表示。此外,人们对IT在分类中的作用还不甚了解。在这里,我们为猴子和人类提供了真实世界中相同的图像,并测量了每个图像引发的IT响应模式。为了使物种之间的表示形式与计算模型相关联,我们比较了响应模式相异性矩阵。 IT响应模式形成类别集群,它们在人与猴之间匹配。这些簇对应于有生命和无生命的对象。在有生命的物体中,面部和身体形成子簇。在每个类别中,IT区分单个示例,并且类别内的示例相似性在物种之间也匹配。我们的发现表明,跨物种的灵长类动物IT可能拥有共同的代码,该代码结合了对象的分类和连续表示形式。

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