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  The hippocampus encodes distances in multidimensional feature space

Theves, S., Fernandez, G., & Doeller, C. F. (2019). The hippocampus encodes distances in multidimensional feature space. Current Biology, 29(7), 1226-1231.e3. doi:10.1016/j.cub.2019.02.035.

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アイテムのパーマリンク: https://hdl.handle.net/21.11116/0000-0003-4F71-6 版のパーマリンク: https://hdl.handle.net/21.11116/0000-000A-5EFD-1
資料種別: 学術論文

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Theves-Current-Biology-2019-The Hippocampus Encodes Distances.pdf (全文テキスト（全般）), 2MB
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https://hdl.handle.net/21.11116/0000-000A-5EFE-0
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Theves-Current-Biology-2019-The Hippocampus Encodes Distances.pdf
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作成者

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 作成者:
Theves, Stephanie1, 2, 著者           
Fernandez, Guillén2, 著者
Doeller, Christian F.1, 3, 著者           
所属:
1Department Psychology (Doeller), MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_2591710              
2Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, the Netherlands, ou_persistent22              
3Egil and Pauline Braathen and Fred Kavli Centre for Cortical Microcircuits, Kavli Institute, Norwegian University of Science and Technology, Trondheim, Norway, ou_persistent22              

内容説明

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キーワード: Cognitive geometry; Cognitive map; Conceptual knowledge; Spatial coding
 要旨: The hippocampal formation encodes maps of the physical environment [1, 2, 3, 4, 5]. A key question in neuroscience is whether its spatial coding principles also provide a universal metric for the organization of non-spatial information. Initial evidence comes from studies revealing directional modulation of fMRI responses in humans [6, 7] during navigation through abstract spaces and the involvement of place and grid cells in encoding of non-spatial feature dimensions [8]. However, a critical feature of a map-like representation is information about distances between locations, which has yet only been demonstrated for physical space [4, 9]. Here, we probe whether the hippocampus similarly encodes distances between points in an abstract space spanned by continuous stimulus-feature dimensions that were relevant to the acquisition of a novel concept. We find that, after learning, two-dimensional distances between individual positions in the abstract space were represented in the hippocampal multivoxel pattern as well as in the univariate hippocampal signal as indexed by fMRI adaptation. These results support the notion that the hippocampus computes domain-general, multidimensional cognitive maps along continuous dimensions.

資料詳細

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言語: eng - English
 日付: 2018-12-132018-06-122019-02-142019-03-212019-04-01
 出版の状態: 出版
 ページ: -
 出版情報: -
 目次: -
 査読: 査読あり
 識別子（DOI, ISBNなど）: DOI: 10.1016/j.cub.2019.02.035
PMID: 30905602
その他: Epub 2019
 学位: -

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Project information

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Project name : -
Grant ID : NWO-Gravitation 024-001-006
Funding program : -
Funding organization : Netherlands Organisation for Scientific Research (NWO)
Project name : -
Grant ID : -
Funding program : -
Funding organization : Max Planck Society
Project name : -
Grant ID : -
Funding program : -
Funding organization : Kavli Foundation
Project name : Cognitive Geometry: Deciphering neural concept spaces and engineering knowledge to empower smart brains in a smart society / GEOCOG
Grant ID : 724836
Funding program : Horizon 2020
Funding organization : European Commission (EC)
Project name : -
Grant ID : 223262/F50
Funding program : -
Funding organization : Centre of Excellence scheme of the Research Council of Norway – Centre for Neural Computation
Project name : -
Grant ID : -
Funding program : -
Funding organization : The Egil and Pauline Braathen and Fred Kavli Centre for Cortical Microcircuits
Project name : NORBRAIN
Grant ID : 197467/F50
Funding program : National Infrastructure scheme of the Research Council of Norway
Funding organization : Research Council of Norway
Project name : -
Grant ID : NWO-Vidi 452-12-009
Funding program : -
Funding organization : Netherlands Organisation for Scientific Research (NWO)
Project name : -
Grant ID : NWO-MaGW 406-14-114
Funding program : -
Funding organization : Netherlands Organisation for Scientific Research (NWO)
Project name : -
Grant ID : NWO-MaGW 406-15-291
Funding program : -
Funding organization : Netherlands Organisation for Scientific Research (NWO)

出版物 1

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出版物名: Current Biology
  その他 : Curr. Biol.
種別: 学術雑誌
 著者・編者:
所属:
出版社, 出版地: London, UK : Cell Press
ページ: - 巻号: 29 (7) 通巻号: - 開始・終了ページ: 1226 - 1231.e3 識別子（ISBN, ISSN, DOIなど）: ISSN: 0960-9822
CoNE: https://pure.mpg.de/cone/journals/resource/954925579107