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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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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-0003-4F71-6 Versions-Permalink: https://hdl.handle.net/21.11116/0000-0003-8B24-8
Genre: Zeitschriftenartikel

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 Urheber:
Theves, Stephanie1, 2, Autor           
Fernandez, Guillén2, Autor
Doeller, Christian F.1, 3, Autor           
Affiliations:
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              

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Schlagwörter: Cognitive geometry; Cognitive map; Conceptual knowledge; Spatial coding
 Zusammenfassung: 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.

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Sprache(n): eng - English
 Datum: 2018-12-132018-06-122019-02-142019-03-212019-04-01
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1016/j.cub.2019.02.035
PMID: 30905602
Anderer: Epub 2019
 Art des Abschluß: -

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

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Titel: Current Biology
  Andere : Curr. Biol.
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: London, UK : Cell Press
Seiten: - Band / Heft: 29 (7) Artikelnummer: - Start- / Endseite: 1226 - 1231.e3 Identifikator: ISSN: 0960-9822
CoNE: https://pure.mpg.de/cone/journals/resource/954925579107