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Path integration maintains spatial periodicity of grid cell firing in a 1D circular track

Author

Listed:
  • Pierre-Yves Jacob

    (Aix Marseille Université, CNRS, LNC UMR 7291)

  • Fabrizio Capitano

    (Aix Marseille Université, CNRS, LNC UMR 7291)

  • Bruno Poucet

    (Aix Marseille Université, CNRS, LNC UMR 7291)

  • Etienne Save

    (Aix Marseille Université, CNRS, LNC UMR 7291)

  • Francesca Sargolini

    (Aix Marseille Université, CNRS, LNC UMR 7291)

Abstract

Entorhinal grid cells are thought to provide a 2D spatial metric of the environment. In this study we demonstrate that in a familiar 1D circular track (i.e., a continuous space) grid cells display a novel 1D equidistant firing pattern based on integrated distance rather than travelled distance or time. In addition, field spacing is increased compared to a 2D open field, probably due to a reduced access to the visual cue in the track. This metrical modification is accompanied by a change in LFP theta oscillations, but no change in intrinsic grid cell rhythmicity, or firing activity of entorhinal speed and head-direction cells. These results suggest that in a 1D circular space grid cell spatial selectivity is shaped by path integration processes, while grid scale relies on external information.

Suggested Citation

  • Pierre-Yves Jacob & Fabrizio Capitano & Bruno Poucet & Etienne Save & Francesca Sargolini, 2019. "Path integration maintains spatial periodicity of grid cell firing in a 1D circular track," Nature Communications, Nature, vol. 10(1), pages 1-13, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-08795-w
    DOI: 10.1038/s41467-019-08795-w
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    Cited by:

    1. Erik Hermansen & David A. Klindt & Benjamin A. Dunn, 2024. "Uncovering 2-D toroidal representations in grid cell ensemble activity during 1-D behavior," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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