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Journal of Neurophysiology
Article
License: CC BY
Data sources: UnpayWall
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PubMed Central
Article . 2020
License: CC BY
Data sources: PubMed Central
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https://doi.org/10.1101/602771...
Article . 2019 . Peer-reviewed
Data sources: Crossref
Journal of Neurophysiology
Article . 2020 . Peer-reviewed
Data sources: Crossref
https://dx.doi.org/10.18452/29...
Article . 2020
License: CC BY
Data sources: Datacite
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Home, head direction stability and grid cell distortion

Authors: Sanguinetti-Scheck, Juan Ignacio; Brecht, Michael;

Home, head direction stability and grid cell distortion

Abstract

Abstract The home is a unique location in the life of humans and animals. Numerous behavioral studies investigating homing indicate that many animals maintain an online representation of the direction of the home, a home vector. Here we placed the rat’s home cage in the arena, while recording neurons in the animal’s parasubiculum and medial entorhinal cortex. From a pellet hoarding paradigm it became evident that the home cage induced locomotion patterns characteristic of homing behaviors. We did not observe home-vector cells. We found that head-direction signals were unaffected by home location. However, grid cells were distorted in the presence of the home cage. While they did not globally remap, single firing fields were translocated towards the home. These effects appeared to be geometrical in nature rather than a home-specific distortion. Our work suggests that medial entorhinal cortex and parasubiculum do not contain an explicit neural representation of the home direction.

Country
Germany
Keywords

Male, Homing, Grid cell, Hippocampus, grid cell, Animals, Entorhinal Cortex, Grid Cells, Rats, Long-Evans, head direction, navigation, ddc:610, Behavior, Animal, home, Housing, Animal, Navigation, Electrophysiological Phenomena, Rats, Head Movements, homing, Home, 610 Medizin und Gesundheit, Head direction, Research Article, Spatial Navigation

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    20
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 10%
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
20
Top 10%
Average
Top 10%
Green
hybrid