Category: Neural Basis of Navigation

How do freely flying bats keep a stable hippocampal code for navigation in changing environments?

William A. Liberti III, Tobias A. Schmid, Angelo Forli, Madeleine Snyder & Michael M. Yartsev. A stable hippocampal code in freely flying bats. Nature (2022). https://doi.org/10.1038/s41586-022-04560-0

Abstract
“Neural activity in the hippocampus is known to reflect how animals move …

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How population-level heading responses are aligned to visual input?

Kevin K. Sit, Michael J. Goard. Coregistration of heading to visual cues in retrosplenial cortex. bioRxiv 2022.03.25.485865; doi: https://doi.org/10.1101/2022.03.25.485865

Abstract
“Spatial cognition depends on an accurate representation of orientation within an environment. Head direction cells in distributed brain regions

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How the primary visual cortex encodes stable 3D head direction signals?

Grigori Guitchounts, William Lotter, Joel Dapello, David Cox. Stable 3D Head Direction Signals in the Primary Visual Cortex. bioRxiv 2020.09.04.283762; doi: https://doi.org/10.1101/2020.09.04.283762

Abstract
Visual signals influence the brain’s computation of spatial position and orientation. Accordingly, the primary …

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How rodents from different habitats cope with three-dimensional environments?

Hagbi Z, Eilam D (2022) On heights and plains: How rodents from different habitats cope with three-dimensional environments? PLoS ONE 17(3): e0265176. https://doi.org/10.1371/journal.pone.0265176

Abstract
“Dwelling in a specific habitat requires adaptation to the habitat physical and biological properties in order …

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How do hippocampal neurons contribute to memorizing and utilizing information acquired through social observations and interactions?

Mou, Xiang, Abhishekh Pokhrel, Prakul Suresh, and Daoyun Ji. “Observational learning promotes hippocampal remote awake replay toward future reward locations.” Neuron, Volume 110, Issue 5, 2 March 2022, Pages 891-902.e7

Summary
The neural circuit mechanisms underlying observational

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How are visual landmarks integrated into a framework that supports the neural encoding of landmark- based orientation?

LaChance PA, Graham J, Shapiro BL, Morris AJ, Taube JS. Landmark-modulated directional coding in postrhinal cortex. Science Advances 2022 Jan 28;8(4):eabg8404. doi: 10.1126/sciadv.abg8404.

Abstract
Visual landmarks can anchor an animal’s internal sense of orientation to the external world

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How do hippocampal replays adapt to spatial contingency changes?

John Widloski, David J. Foster. Flexible rerouting of hippocampal replay sequences around changing barriers in the absence of global place field remapping. Neuron, 2022, 110, 1–12.

Summary
“Flexibility is a hallmark of memories that depend on the hippocampus. For

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Whether are some head direction cells sensitive to magnetic direction in a migratory bird ?

Takahashi, Susumu, Takumi Hombe, Sakiko Matsumoto, Kaoru Ide, and Ken Yoda. “Head direction cells in a migratory bird prefer north.” Science Advances 8, no. 5 (2022): eabl6848.

Abstract
“Animals exhibit remarkable navigation abilities as if they have an …

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How information about spatial landmarks and movement is encoded in the first stage of the hippocampus, the dentate gyrus?

Sebnem N. Tuncdemir, Andres D. Grosmark, Gergely F. Turi, Amei Shank, John C. Bowler, Gokhan Ordek, Attila Losonczy, Rene Hen, Clay O. Lacefield. Parallel processing of sensory cue and spatial information in the dentate gyrus. Cell Reports, Volume 38, …

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Whether place cells encode the angular and linear position as well as motion direction of a simple stimulus, regardless of self-motion, memory or reward?

Chinmay S. Purandare, Shonali Dhingra, Rodrigo Rios, Cliff Vuong, Thuc To, Ayaka Hachisuka, Krishna Choudhary & Mayank R. Mehta. Moving bar of light evokes vectorial spatial selectivity in the immobile rat hippocampus. Nature (2022). https://doi.org/10.1038/s41586-022-04404-x

Abstract
“Visual cortical neurons …

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How to build a cognitive map?

James C.R. Whittington, David McCaffary, Jacob J.W. Bakermans, Timothy E.J. Behrens.  How to build a cognitive map: insights from models of the hippocampal formation. arXiv:2202.01682 [q-bio.NC], 2022. 

Abstract

“Learning and interpreting the structure of the environment is an innate …

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Whether dendritic calcium spikes in the hippocampus could also help the brain to update its map of the world?

Aaron D Milstein, Yiding Li, Katie C Bittner, Christine Grienberger, Ivan Soltesz, Jeffrey C Magee, Sandro Romani. Bidirectional synaptic plasticity rapidly modifies hippocampal representations. eLife 2021;10:e73046 DOI: 10.7554/eLife.73046
Abstract
“Learning requires neural adaptations thought to be mediated by activity-dependent …

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How does the retina construct the distinct neural representations required for diverse behaviors?

Mathew T. Summers, Marla B. Feller. Distinct Inhibitory Pathways Control Velocity and Directional Tuning in the Retina. bioRxiv 2022.01.13.476257; doi: https://doi.org/10.1101/2022.01.13.476257

Abstract
“The sensory periphery is responsible for detecting ethologically relevant features of the external world, using compact, predominantly …

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How does the brain implement planning?

Marcelo G. Mattar, Máté Lengyel. Planning in the brain. Neuron, 2022, https://doi.org/10.1016/j.neuron.2021.12.018.

Summary
“Recent breakthroughs in artificial intelligence (AI) have enabled machines to plan in tasks previously thought to be uniquely human. Meanwhile, the planning algorithms implemented by the

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What is the principle of the functional circuit interactions between LEC and the hippocampus?

Olesia M Bilash, Spyridon Chavlis, Panayiota Poirazi, Jayeeta Basu. Lateral entorhinal cortex inputs modulate hippocampal dendritic excitability by recruiting a local disinhibitory microcircuit. bioRxiv 2022.01.13.476247; doi: https://doi.org/10.1101/2022.01.13.476247

Abstract
The lateral entorhinal cortex (LEC) provides information about multi-sensory environmental

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