Cited by 668Memory and Neural MechanismsSpatial Cognition and NavigationNeurogenesis and neuroplasticity mechanisms

Speed cells in the medial entorhinal cortex

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Kropff, Emilio, Carmichael, James E., Moser, May-Britt, Moser, Edvard I.·2015·Nature

Abstract

Grid cells in the medial entorhinal cortex have spatial firing fields that repeat periodically in a hexagonal pattern. When animals move, activity is translated between grid cells in accordance with the animal's displacement in the environment. For this translation to occur, grid cells must have continuous access to information about instantaneous running speed. However, a powerful entorhinal speed signal has not been identified. Here we show that running speed is represented in the firing rate of a ubiquitous but functionally dedicated population of entorhinal neurons distinct from other cell populations of the local circuit, such as grid, head-direction and border cells. These 'speed cells' are characterized by a context-invariant positive, linear response to running speed, and share with grid cells a prospective bias of ∼50-80 ms. Our observations point to speed cells as a key component of the dynamic representation of self-location in the medial entorhinal cortex.

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Crossref · 10.1038/nature14622

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3 of 3 references verified0 citation errors · 0 not checkable

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  • Mammalian extra-hippocampal cortical areas contain functionally specialized neurons such as head direction cells, border cells, and grid cells that likely encode relevant spatial information in egocentric coordinates.

    “Mammalian extra-hippocampal cortical areas contain a variety of functionally specialized neurons with presumably distinct roles in the representation of space, i.e., “head direction cells”, “border cells”, and “grid cells”, that likely encode relevant spatial information in egocentric coordinates [72,193,194,195,196].”

    From Spatial Cognition in Teleost Fish: Strategies and Mechanisms (2021) · cites this paper as [194]

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Authors
Kropff, E., Carmichael, J. E., Moser, M.-B., & Moser, E. I.
Affiliations
Norwegian University of Science and Technology (NO)
Corresponding author
  • Kropff, Emilio
  • Moser, Edvard I.
Venue
Nature
Published
2015-07
Volume
523
Issue
7561
Pages
419-424
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1512234833
Cited by
668
References
3
Citations by year
2026: 39 · 2025: 65 · 2024: 51 · 2023: 61 · 2022: 57 · 2021: 74 · 2020: 59 · 2019: 62 · 2018: 71 · 2017: 71 · 2016: 40 · 2015: 17
FWCI
39.87
Type
journal article
Language
en
Open access
Licence
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • CONICET Digital (CONICET) (submittedVersion, cc-by-nc-sa)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Physical Sciences › Engineering › Automotive Engineering › Spatial Cognition and Navigation
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
medial entorhinal cortex, grid cells, self-localization, spatial navigation, head direction cells, border cells
MeSH terms
Acceleration, Action Potentials, Animals, Environment, Male, Models, Neurological, Neurons, Running, Time Factors, Entorhinal Cortex, Rats, Long-Evans, Rats

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