Category: Neural Basis of Navigation

How hippocampal astrocytes encode reward location?

Adi Doron, Alon Rubin, Aviya Benmelech-Chovav, Netai Benaim, Tom Carmi, Ron Refaeli, Nechama Novick, Tirzah Kreisel, Yaniv Ziv & Inbal Goshen. Hippocampal astrocytes encode reward location. Nature (2022). https://doi.org/10.1038/s41586-022-05146-6

Abstract
“Astrocytic calcium dynamics has been implicated in the encoding …

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How brain hippocampal circuits represent switches between diferent behaviours rapidly and flexibility?

Ayelet Sarel, Shaked Palgi, Dan Blum, Johnatan Aljadeff, Liora Las & Nachum Ulanovsky. Natural switches in behaviour rapidly modulate hippocampal coding. Nature (2022). https://doi.org/10.1038/s41586-022-05112-2

Abstract
Throughout their daily lives, animals and humans often switch between different behaviours. …

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How does the brain process coordinated head direction representations in mouse anterodorsal thalamic nucleus and retrosplenial cortex?

Marie-Sophie H van der Goes, Jakob Voigts, Jonathan P Newman, Enrique H S Toloza, Norma J Brown, Pranav Murugan, Mark T Harnett. Coordinated Head Direction Representations in Mouse Anterodorsal Thalamic Nucleus and Retrosplenial Cortex. bioRxiv 2022.08.20.504604; doi: https://doi.org/10.1101/2022.08.20.504604

Abstract…

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How hippocampal CA2 processes spatial novelty?

Bhasin, Guncha, and Indrajith R. Nair. “Dynamic hippocampal CA2 responses to contextual spatial novelty.” Frontiers in Systems Neuroscience: 79, 2022

Abstract

“Hippocampal place cells are functional units of spatial navigation and are present in all subregions: CA1, CA2, …

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Where and how odor and wind cues are integrated to support wind-guided olfactory navigation?

Andrew M. M. Matheson, Aaron J. Lanz, Ashley M. Medina, Al M. Licata, Timothy A. Currier, Mubarak H. Syed & Katherine I. Nagel. A neural circuit for wind-guided olfactory navigation. Nat Commun 13, 4613 (2022). https://doi.org/10.1038/s41467-022-32247-7

Abstract
To

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How landmark information reaches the hippocampus?

Elizabeth A.M.A. Allison, Joe W. Moore, Paul A. Dudchenko, Emma R. Wood. The medial entorhinal cortex is necessary for the stimulus control over hippocampal place fields by distal, but not proximal, landmarks. bioRxiv 2022.08.04.502628; doi: https://doi.org/10.1101/2022.08.04.502628

Abstract
A

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Whether rats can learn spaces just by observation?

Doublet T, Nosrati M and Kentros CG (2022) Social Learning of a Spatial Task by Observation Alone. Front. Behav. Neurosci. 16:902675. doi: 10.3389/fnbeh.2022.902675

Abstact

“Interactions between conspecifics are central to the acquisition of useful memories in the real world. …

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How the hippocampus creates a vector-based model to support flexible navigation, allowing animals to select optimal paths to destinations from any location in the environment?

Ormond, J., O’Keefe, J. Hippocampal place cells have goal-oriented vector fields during navigation. Nature (2022). https://doi.org/10.1038/s41586-022-04913-9

Abstract
“The hippocampal cognitive map supports navigation towards, or away from, salient locations in familiar environments1. Although much is known about how the

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How navigation task and action space drive the emergence of egocentric and allocentric spatial representations?

Sandhiya Vijayabaskaran, Sen Cheng. Navigation task and action space drive the emergence of egocentric and allocentric spatial representations. bioRxiv 2022.06.22.497126; doi: https://doi.org/10.1101/2022.06.22.497126

Abstract
“In general, strategies for spatial navigation could employ one of two spatial reference frames: egocentric or …

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Whether grid-cell-like representations support temporal processing?

Gregory Peters-Founshtein, Amnon Dafni-Merom, Rotem Monsa, Shahar Arzy. Evidence for grid-cell-related activity in the time domain. bioRxiv 2022.06.14.476894; doi: https://doi.org/10.1101/2022.06.14.476894

Abstract
“The relation between the processing of space and time in the brain has been an enduring cross-disciplinary question. …

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How to implement closed-loop control and recalibration of place cells by optic flow?

Manu S Madhav, Ravikrishnan P Jayakumar, Brian Y Li, Francesco Savelli, James J Knierim, Noah J Cowan. Closed-loop control and recalibration of place cells by optic flow. bioRxiv 2022.06.12.495823; doi: https://doi.org/10.1101/2022.06.12.495823

Abstract
“Understanding the interplay between sensory input, endogenous …

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How could path integration vectors be encoded in the brains of bees for navigation?

Rickesh N. Patel, Julian Kempenaers, Stanley Heinze. Vector navigation in walking bumblebees. Current Biology, 2022, DOI:https://doi.org/10.1016/j.cub.2022.05.010

Summary
Path integration is a computational strategy that allows an animal to maintain an internal estimate of its position relative to a

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How does the brain maintain a stable head direction representation in naturalistic visual environments?

Hannah Haberkern, Shivam S Chitnis, Philip M Hubbard, Tobias Goulet, Ann M Hermundstad, Vivek Jayaraman. Maintaining a stable head direction representation in naturalistic visual environments. bioRxiv 2022.05.17.492284; doi: https://doi.org/10.1101/2022.05.17.492284

Abstract
Many animals rely on a representation of head

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How can small networks accurately track an animal’s movements to guide navigation?

Marcella Noorman, Brad K Hulse, Vivek Jayaraman, Sandro Romani, Ann M Hermundstad. Accurate angular integration with only a handful of neurons. bioRxiv 2022.05.23.493052; doi: https://doi.org/10.1101/2022.05.23.493052

Abstract
To flexibly navigate, many animals rely on internal spatial representations that persist

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How can a joint spatiotemporal phase code implement the combined neural representation of space and time in the human entorhinal cortex?

Nadasdy, Z., Howell, D., Török, Á., Nguyen, T. P., Shen, J. Y., Briggs, D. E., Modur, P. N., & Buchanan, R. J. (2022). Phase coding of spatial representations in the human entorhinal cortexScience advances8(18), eabm6081. …

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