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Two Forms of Knowledge Representations in the Human Brain

Xiaoying Wang, Weiwei Men, Jiahong Gao, Alfonso Caramazza, Yanchao Bi
doi: https://doi.org/10.1101/691931
Xiaoying Wang
1State Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, 100875, China
2Beijing Key Laboratory of Brain Imaging and Connectomics, Beijing Normal University, Beijing, 100875, China
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Weiwei Men
3Center for MRI Research, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
4Beijing City Key Lab for Medical Physics and Engineering, Institute of Heavy Ion Physics, School of Physics, Peking University, Beijing 100871, China
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Jiahong Gao
3Center for MRI Research, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
4Beijing City Key Lab for Medical Physics and Engineering, Institute of Heavy Ion Physics, School of Physics, Peking University, Beijing 100871, China
5McGovern Institute for Brain Research, Peking University, Beijing 100871, China
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Alfonso Caramazza
6Department of Psychology, Harvard University, Cambridge, MA 02138, USA
7Center for Mind/Brain Sciences, University of Trento, 38068 Rovereto, Italy
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Yanchao Bi
1State Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, 100875, China
2Beijing Key Laboratory of Brain Imaging and Connectomics, Beijing Normal University, Beijing, 100875, China
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  • For correspondence: ybi@bnu.edu.cn
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Abstract

Sensory experience shapes what and how knowledge is stored in the brain -- our knowledge about the color of roses depends in part on the activity of color-responsive neurons based on experiences of seeing roses. We study the brain basis of color knowledge in congenitally blind individuals whose color knowledge can only be obtained through language descriptions. We found that some regions support color knowledge only in the sighted. More importantly, a region in the left dorsal anterior temporal lobe supports object color knowledge in both the blind and sighted groups, indicating the existence of a sensory-independent knowledge coding system in both groups. Thus, there are (at least) two forms of object knowledge representations in the human brain: sensory-derived and cognitively-derived knowledge, supported by different brain systems.

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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license.
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Posted July 04, 2019.
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Two Forms of Knowledge Representations in the Human Brain
Xiaoying Wang, Weiwei Men, Jiahong Gao, Alfonso Caramazza, Yanchao Bi
bioRxiv 691931; doi: https://doi.org/10.1101/691931
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Two Forms of Knowledge Representations in the Human Brain
Xiaoying Wang, Weiwei Men, Jiahong Gao, Alfonso Caramazza, Yanchao Bi
bioRxiv 691931; doi: https://doi.org/10.1101/691931

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