Category: Neural Basis of Navigation

How specific firing patterns and oscillatory dynamics in the entorhinal cortex and hippocampus can support both navigation and memory?

Buzsáki, G., Moser, E. Memory, navigation and theta rhythm in the hippocampal-entorhinal systemNat Neurosci 16, 130–138 (2013). https://doi.org/10.1038/nn.3304

Abstract
“Theories on the functions of the hippocampal system are based largely on two fundamental discoveries: the amnestic consequences …

Be the First to comment. Read More

Howretrohippocampal neurons encode location through ramping activity?

Tennant, Sarah A., Harry Clark, Ian Hawes, Wing Kin Tam, Junji Hua, Wannan Yang, Klara Z. Gerlei, Emma R. Wood, and Matthew F. Nolan. “Spatial representation by ramping activity of neurons in the retrohippocampal cortex.” Current Biology, September

Be the First to comment. Read More

How temporal information is represented and used during prospective and retrospective timing?

Tsao, A., Yousefzadeh, S.A., Meck, W.H. et al. The neural bases for timing of durationsNat Rev Neurosci (2022). https://doi.org/10.1038/s41583-022-00623-3

Abstract
Durations are defined by a beginning and an end, and a major distinction is drawn between durations

Be the First to comment. Read More

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 …

Be the First to comment. Read More

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. …

Be the First to comment. Read More

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…

Be the First to comment. Read More

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, …

Be the First to comment. Read More

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

Be the First to comment. Read More

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

Be the First to comment. Read More

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. …

Be the First to comment. Read More

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

Be the First to comment. Read More

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 …

Be the First to comment. Read More

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. …

Be the First to comment. Read More

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 …

Be the First to comment. Read More

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

Be the First to comment. Read More