Tag: Place 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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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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How do place cells encode local surface texture boundaries?

Chia-Hsuan Wang, Joseph D Monaco, James J Knierim. Hippocampal place cells encode local surface texture boundaries. 

Abstract

“The cognitive map is often assumed to be a Euclidean map that isometrically represents the real world (i.e. the

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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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How the sensory environmental information and the self-motion information influence on place and grid cell firing?

Chen, Guifen, Yi Lu, John A. King, Francesca Cacucci, and Neil Burgess. “Differential influences of environment and self-motion on place and grid cell firing.” Nature communications 10, no. 1 (2019): 630.

Abstract

Place and grid cells in the hippocampal formation …

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Hippocampal Contributions to Model-Based Planning and Spatial Memory

Vikbladh, Oliver M., Michael R. Meager, John King, Karen Blackmon, Orrin Devinsky, Daphna Shohamy, Neil Burgess, and Nathaniel D. Daw. “Hippocampal Contributions to Model-Based Planning and Spatial Memory.” Neuron (2019).

Highlights
• We tested planning and spatial memory

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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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How does the brain’s spatial map change when we change the shape of the room?

A latest report about grid cells from Sainsbury Wellcome Centre at UCL. The following is excerpted from the report. 

Our ability to navigate the world, and form episodic memories, relies on an accurate representation of the environment around us. …

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The Nobel Prize in Physiology or Medicine 2014 was awarded to John O’Keefe, May-Britt Moser and Edvard I. Moser “for their discoveries of cells that constitute a positioning system in the brain.”

A summary report of the Nobel Prize in Physiology or Medicine 2014 on the www.nobelprize.org 

The following content is excerpted from the reference -The Nobel Prize in Physiology or Medicine 2014. NobelPrize.org. Nobel Media AB 2019. Thu. 10 Jan 2019.

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How your brain encodes location?

A latest report titled ‘The Surprising Relativism of the Brain’s GPS’ by ADITHYA RAJAGOPALAN at Cohen Lab, JOHNS HOPKINS UNIVERSITY, reviewed the brief research history of the Brain’s GPS published in  NAUTILUS

For further info, please read the report …

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Path Integration in a Continuous Attractor Network Model

The excerpt note is about path integration with continuous attractor network according to McNaughton B. L., et al., 2006.

McNaughton, Bruce L., Francesco P. Battaglia, Ole Jensen, Edvard I. Moser, and May-Britt Moser. “Path integration and the neural basis

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Why is it a so difficult problem for navigating in a three-dimensional world?

The excerpt note is about spatial cognition in non-horizontal environments by Jeffery K. J. et al., 2013.

Jeffery, Kathryn J., Aleksandar Jovalekic, Madeleine Verriotis, and Robin Hayman. “Navigating in a three-dimensional world.” Behavioral and Brain Sciences 36, no. …

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iNav 2018: How does the brain know where it is, where it is going, and how to get from one place to another?

The 2nd Interdisciplinary Navigation Symposium (iNav 2018) was held in June 2018 in Québec, Canada, organized by Jeffery Taube, Thomas Wolbers, Kate Jeffery, Laure Rondi-Reig, David Dickman, Mayank Mehta. The meeting aims to bring together a diverse group of scientists …

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