Category: Cognitive Navigation

How entorhinal grid cells encode volumetric space?

Grieves, R.M., Jedidi-Ayoub, S., Mishchanchuk, K. et al. Irregular distribution of grid cell firing fields in rats exploring a 3D volumetric space. Nat Neurosci (2021). https://doi.org/10.1038/s41593-021-00907-4

Abstract
We investigated how entorhinal grid cells encode volumetric space. On a …

Be the First to comment. Read More

How does the human brain encode egocentric spatial maps?

Lukas Kunz, Armin Brandt, Peter C. Reinacher, Bernhard P. Staresina, Eric T. Reifenstein, Christoph T. Weidemann, Nora A. Herweg, Ansh Patel, Melina Tsitsiklis, Richard Kempter, Michael J. Kahana, Andreas Schulze-Bonhage, Joshua Jacobs. A neural code for egocentric spatial maps in

Be the First to comment. Read More

How does the hippocampus represent 3D space in past, present and future?

Nicholas M. Dotson and Michael M. Yartsev. Nonlocal spatiotemporal representation in the hippocampus of freely flying bats. SCIENCE 09 JUL 2021 : 242-247

“The neural code for 3D map–based navigation in area CA1 of bats forms a continuum through …

Be the First to comment. Read More

How the brain coordinates the encoding, recall and use of reward information to guide navigation?

Sosa, M., Giocomo, L.M. Navigating for reward. Nat Rev Neurosci (2021). https://doi.org/10.1038/s41583-021-00479-z

Abstract
An organism’s survival can depend on its ability to recall and navigate to spatial locations associated with rewards, such as food or a home. …

Be the First to comment. Read More

How the brain integrate body-based idiothetic and visual allothetic cues in the computation of heading?

Sevan K. Harootonian, Arne D. Ekstrom, Robert C. Wilson. Combination and competition between path integration and landmark navigation in the estimation of heading direction. bioRxiv 2021.06.30.450548; doi: https://doi.org/10.1101/2021.06.30.450548

Abstract
Successful navigation requires the ability to compute one’s location

Be the First to comment. Read More

How hippocampal place cells use vector computations to navigate?

Jake Ormond, John O’Keefe. Hippocampal place cells use vector computations to navigate. bioRxiv 2021.06.23.449621; doi: https://doi.org/10.1101/2021.06.23.449621

Abstract
“One function of the Hippocampal Cognitive Map is to provide information about salient locations in familiar environments such as those containing reward …

Be the First to comment. Read More

How animals sense Earth’s magnetic field and use it as a compass to determine their spatial orientation?

Xu, J., Jarocha, L.E., Zollitsch, T. et al. Magnetic sensitivity of cryptochrome 4 from a migratory songbird. Nature 594, 535–540 (2021). https://doi.org/10.1038/s41586-021-03618-9

Abstract
Night-migratory songbirds are remarkably proficient navigators1. Flying alone and often over great distances, they …

Be the First to comment. Read More

What is the neural code for very large spaces?

Eliav T, Maimon SR, Aljadeff J, Tsodyks M, Ginosar G, Las L & Ulanovsky N, Multiscale representation of very large environments in the hippocampus of flying bats, Science 372, eabg4020 (2021). PDF | News&Views: Wood & Dudchenko

Abstract
“Hippocampal …

Be the First to comment. Read More

How do hippocampal individual neurons combine multiple features of the navigation experience, encoding a mixed representation of position, head direction, and speed?

Ledergerber, Debora, Claudia Battistin, Jan Sigurd Blackstad, Richard J. Gardner, Menno P. Witter, May-Britt Moser, Yasser Roudi, and Edvard I. Moser. “Task-dependent mixed selectivity in the subiculum.” Cell Report, Volume 35, Issue 8, 25 May 2021, 109175. 

Highlights…

Be the First to comment. Read More

Whether the encoding of the speed of sound in the brain is innate or learned for echolocating bats?

Eran Amichai, Yossi Yovel. Echolocating bats rely on an innate speed-of-sound reference. Proceedings of the National Academy of Sciences May 2021, 118 (19) e2024352118; DOI: 10.1073/pnas.2024352118

Abstract
“Animals must encode fundamental physical relationships in their brains. A heron plunging …

Be the First to comment. Read More

How can navigation be performed in primates and humans using spatial view cells?

Rolls, Edmund T. “Neurons including hippocampal spatial view cells, and navigation in primates including humans.” Hippocampus (2021).

Abstract
“A new theory is proposed of mechanisms of navigation in primates including humans in which spatial view cells found in

Be the First to comment. Read More

How does mice learn multi-step routes by memorizing subgoal locations?

Philip Shamash, Sarah F. Olesen, Panagiota Iordanidou, Dario Campagner, Nabhojit Banerjee, Tiago Branco. Mice learn multi-step routes by memorizing subgoal locations.  bioRxiv 2020.08.19.256867; doi: https://doi.org/10.1101/2020.08.19.256867

Abstract
The behavioral strategies that mammals use to learn multi-step routes in natural

Be the First to comment. Read More

How different prefrontal regions may contribute to different stages of navigation?

Eva Zita Patai, Hugo J. Spiers. The Versatile Wayfinder: Prefrontal Contributions to Spatial Navigation. Trends in Cognitive Sciences, 2021, https://doi.org/10.1016/j.tics.2021.02.010.

Highlights
“Navigation is a behavior fundamental to all mobile animals, and incorporates various cognitive functions, including memory, planning, decision-making,

Be the First to comment. Read More

Whether grid cell networks show continuous attractor dynamics and how they interface with inputs from the environment?

Richard J. Gardner, Erik Hermansen, Marius Pachitariu, Yoram Burak, Nils A. Baas, Benjamin A. Dunn, May-Britt Moser, Edvard I. Moser. Toroidal topology of population activity in grid cells. bioRxiv 2021.02.25.432776; doi: https://doi.org/10.1101/2021.02.25.432776

Abstract
“The medial entorhinal cortex (MEC) is …

Be the First to comment. Read More

How does the brain encode angular and linear velocity?

Davide Spalla, Alessandro Treves, Charlotte N. Boccara. Angular and Linear Speed Cells in the Parahippocampal Circuits. bioRxiv 2021.01.28.428631; doi: https://doi.org/10.1101/2021.01.28.428631

Abstract
An essential role of the hippocampal region is to integrate information to compute and update representations. …

Be the First to comment. Read More