Tag: head-direction cells

How does the brain navigate 2D semantic spaces?

Simone Viganò, Valerio Rubino, Antonio Di Soccio, Marco Buiatti, Manuela Piazza. Multiple spatial codes for navigating 2-D semantic spaces. bioRxiv 2020.07.16.205955; doi: https://doi.org/10.1101/2020.07.16.205955

Summary
When mammals navigate in the physical environment, specific neurons such as grid-cells, head-direction cells,

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How are grid cells modulated by local head direction?

Gerlei, K., Passlack, J., Hawes, I. et al. Grid cells are modulated by local head directionNat Commun 11, 4228 (2020). https://doi.org/10.1038/s41467-020-17500-1

Abstract
Grid and head direction codes represent cognitive spaces for navigation and memory. Pure grid …

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How does the brain’s compass system work in insects and mammals?

Hulse, Brad K., and Vivek Jayaraman. “Mechanisms Underlying the Neural Computation of Head Direction.” Annual Review of Neuroscience 43 (2019).

Abstract

Many animals use an internal sense of direction to guide their movements through the world. …

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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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How the brain integrates external cues with internal head-direction (HD) signals to drive navigational behavior?

Gil Vantomme, Zita Rovó, Romain Cardis, Elidie Béard, Georgia Katsioudi, Angelo Guadagno, Virginie Perrenoud, Laura MJ Fernandez, Anita Lüthi. A thalamic reticular circuit for head direction cell tuning and spatial navigationbioRxiv 804575; doi: https://doi.org/10.1101/804575

Summary
To navigate

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How Does the Brain Solve the Computational Problems of Spatial Navigation?

Widloski, John, and Ila Fiete. “How does the brain solve the computational problems of spatial navigation?.” In Space, Time and Memory in the Hippocampal Formation, pp. 373-407. Springer, Vienna, 2014.

Abstract
Flexible navigation in the real world involves …

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DeepMind GridCells Code

The DeepMind opens the code of grid cells (Banino et al 2018) via GitHub(https://github.com/deepmind/grid-cells) in Jan. 2019. This package provides an implementation of the supervised learning experiments in Vector-based navigation using grid-like representations in artificial agents, as published …

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