How do 3D grid cells represent 3D space?

Gily Ginosar, Johnatan Aljadeff, Yoram Burak, Haim Sompolinsky, Liora Las & Nachum Ulanovsky. Locally ordered representation of 3D space in the entorhinal cortex. Nature (2021). https://doi.org/10.1038/s41586-021-03783-x

Abstract
“As animals navigate on a two-dimensional surface, neurons in the medial entorhinal …

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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 …

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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 …

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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 …

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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. …

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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 …

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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 …

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Brain Inspired Navigation Blog

New discovery worth spreading on brain-inspired navigation in neurorobotics and neuroscience

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