Tag: Place 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 to learn an efficient place cell map from grid cells using non-negative sparse coding?

Yanbo Lian, Anthony N. Burkitt. Learning an efficient place cell map from grid cells using non-negative sparse coding. bioRxiv 2020.08.12.248534; doi: https://doi.org/10.1101/2020.08.12.248534

Abstract
“Experimental studies of grid cells in the Medial Entorhinal Cortex (MEC) have shown that they are …

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How do place cells and grid cells represent position across multiple environments with joint attractor dynamics?

Agmon, Haggai, and Yoram Burak. “A theory of joint attractor dynamics in the hippocampus and the entorhinal cortex accounts for artificial remapping and grid cell field-to-field variability.” eLife 9 (2020): e56894.

Abstract
The representation of position in

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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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What could be the computational benefits of such a mapping between intrinsic dynamical structure and external sensory inputs for navigation in the brain?

Christian Leibold. A Model for Navigation in Unknown Environments Based on a Reservoir of Hippocampal Sequences
bioRxiv 2019.12.18.880583; doi: https://doi.org/10.1101/2019.12.18.880583

Abstract
“Hippocampal place cell populations are activated in sequences on multiple time scales during active behavior, resting and sleep …

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How the hippocampal spatial circuit represents latent information independent of sensory inputs and future goals?

Alexandra T. Keinath, Andres Nieto-posadas, Jennifer C. Robinson, Mark P. Brandon. DG-CA3 circuitry mediates hippocampal representations of latent information.bioRxiv 824102; doi: https://doi.org/10.1101/824102

Abstract
“Survival in complex environments necessitates a flexible navigation system that incorporates memory of recent behavior and …

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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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