Matching Categorical Object Representations in Inferior Temporal Cortex of Man and Monkey

被引:869
作者
Kriegeskorte, Nikolaus [1 ]
Mur, Marieke [1 ,2 ]
Ruff, Douglas A. [1 ]
Kiani, Roozbeh [3 ]
Bodurka, Jerzy [1 ,4 ]
Esteky, Hossein [5 ,6 ]
Tanaka, Keiji [7 ]
Bandettini, Peter A. [1 ,4 ]
机构
[1] NIMH, Sect Funct Imaging Methods, Lab Brain & Cognit, NIH, Bethesda, MD 20892 USA
[2] Maastricht Univ, Fac Psychol, Dept Cognit Neurosci, NL-6229 ER Maastricht, Netherlands
[3] Univ Washington, Dept Neurobiol & Behav, Seattle, WA 98195 USA
[4] NIMH, Funct Magnet Resonance Imaging Facil, NIH, Bethesda, MD 20892 USA
[5] Shahid Beheshti Univ, Sch Med, Res Grp Brain & Cognit Sci, Tehran, Iran
[6] Inst Studies Theoret Phys & Math, Sch Cognit Sci, Tehran, Iran
[7] RIKEN Brain Sci Inst, Cognit Brain Mapping Lab, Wako, Saitama 3510198, Japan
关键词
D O I
10.1016/j.neuron.2008.10.043
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
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 representation of objects.
引用
收藏
页码:1126 / 1141
页数:16
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