Tag: Grid Cells

How can navigation in cluttered environments be supported by utilizing a combination of grid cell-driven vector navigation, place cell-driven topological navigation, and border cell-driven local obstacle avoidance?

Edvardsen, V, Bicanski, A, Burgess, N. Navigating with grid and place cells in cluttered environments. Hippocampus. 2020; 30: 220– 232. https://doi.org/10.1002/hipo.23147

Abstract
“Hippocampal formation contains several classes of neurons thought to be involved in navigational processes, in particular place …

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How do grid cells encode local head direction?

Klara Gerlei, Jessica Passlack, Ian Hawes, Brianna Vandrey, Holly Stevens, Ioannis Papastathopoulos, Matthew F. Nolan. Grid cells encode local head direction. bioRxiv 681312; doi: https://doi.org/10.1101/681312

Abstract
Grid and head direction codes represent cognitive spaces for navigation and memory

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How does the brain process the scale from a computational perspective?

Nicolai Waniek. Transition Scale-Spaces: A Computational Theory for the Discretized Entorhinal Cortex. Neural Computation 2020 32:2, 330-394

Abstract

“Although hippocampal grid cells are thought to be crucial for spatial navigation, their computational purpose remains disputed. Recently, they were proposed …

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Whether speed and head direction signals provide invariant self-motion signals across environments or change their coding in response to metric changes to the environment

Munn, Robert GK, Caitlin S. Mallory, Kiah Hardcastle, Dane M. Chetkovich, and Lisa M. Giocomo. Entorhinal velocity signals reflect environmental geometry. Nat Neurosci (2020) doi:10.1038/s41593-019-0562-5

Abstract
“The entorhinal cortex contains neurons that represent self-location, including grid cells that fire …

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Whether the firing associations of grid cells depend on hippocampal inputs?

Noam Almog, Gilad Tocker, Tora Bonnevie, Edvard Moser, May-Britt Moser, Dori Derdikman. During hippocampal inactivation, grid cells maintain their synchrony, even when the grid pattern is lost. eLife 2019;8:e47147 DOI: 10.7554/eLife.47147

Abstract “The grid cell network in the medial …

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Whether the firing associations of grid cells depend on hippocampal inputs?

Noam Almog, Gilad Tocker, Tora Bonnevie, Edvard Moser, May-Britt Moser, Dori Derdikman. During hippocampal inactivation, grid cells maintain their synchrony, even when the grid pattern is lost. bioRxiv 592006; doi: https://doi.org/10.1101/592006

Abstract
The grid cell network in the MEC …

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Whether entorhinal velocity signals are equally influenced or provide a universal metric for self-motion across environments?

Munn, Robert GK, Caitlin S. Mallory, Kiah Hardcastle, Dane M. Chetkovich, and Lisa M. Giocomo. “Entorhinal velocity signals reflect environmental geometry.” bioRxiv (2019): 671222. doi: https://doi.org/10.1101/671222

Summary
The entorhinal cortex contains neural signals for representing self-location, including grid

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