Category: Neural Basis of Navigation

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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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 …

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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…

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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. …

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How does the brain represent the location of oneself and others in shared environments?

Stangl, M., Topalovic, U., Inman, C.S. et al. Boundary-anchored neural mechanisms of location-encoding for self and others. Nature (2020). https://doi.org/10.1038/s41586-020-03073-y

Abstract
Everyday tasks in social settings require humans to encode neural representations of not only their own spatial

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How to implement sensory processing, learning, and motor control using a biologically spiking neural network model of the flying insect mushroom body?

Hannes Rapp, Martin Paul Nawrot. A spiking neural program for sensorimotor control during foraging in flying insects. Proceedings of the National Academy of Sciences Nov 2020, 117 (45) 28412-28421; DOI: 10.1073/pnas.2009821117

Significance

Living organisms demonstrate remarkable abilities in

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How does the brain integrate self-motion and goals adaptively?

Andrew S. Alexander, Janet C. Tung, G. William Chapman, Laura E. Shelley, Michael E. Hasselmo, Douglas A. Nitz. Adaptive integration of self-motion and goals in posterior parietal cortexbioRxiv 2020.12.19.423589; doi: https://doi.org/10.1101/2020.12.19.423589

Abstract
Animals engage in a variety

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How does the monkey brain represent what and when conjunctively during anassociative memory task?

Cruzado NA, Tiganj Z, Brincat SL, Miller EK, Howard MW. Conjunctive representation of what and when in monkey hippocampus and lateral prefrontal cortex during an associative memory task. Hippocampus. 2020 Dec;30(12):1332-1346. doi: 10.1002/hipo.23282.

Abstract
Adaptive memory requires the

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How to build a fully automated bat flight environment for studying 3D navigation in flying bats?

Genzel D, Yartsev MM. The fully automated bat (FAB) flight room: A human-free environment for studying navigation in flying bats and its initial application to the retrosplenial cortex. Journal of Neuroscience Methods. 2020 Oct:108970. DOI: 10.1016/j.jneumeth.2020.108970.

“Background
Bats can

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How do entorhinal grid cells represent volumetric (three-dimensional) space?

Roddy M. Grieves, Selim Jedidi-Ayoub, Karyna Mishchanchuk, Anyi Liu, Sophie Renaudineau, Éléonore Duvelle, Kate J. Jeffery. Grid cell firing fields in a volumetric space. bioRxiv 2020.12.06.413542; doi: https://doi.org/10.1101/2020.12.06.413542

Abstract
“We investigated how entorhinal grid cells represent volumetric (three-dimensional) space

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How does path integration operate at a neural level in humans?

Arnold, Aiden EG, Ford Burles, Signe Bray, Richard M. Levy, and Giuseppe Iaria. “Differential neural network configuration during human path integration.” Frontiers in human neuroscience 8 (2014): 263.

Abstract

Path integration is a fundamental skill for navigation

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How does the neural network link the scene perception and spatial memory systems of the human brain?

Adam Steel, Madeleine M. Billings, Edward H. Silson, Caroline E. Robertson. A network linking perception and memory systems in posterior cerebral cortex. doi: https://doi.org/10.1101/2020.05.25.115147

Abstract
“Here, we report a new network of brain areas bridging the spatial-memory and scene-perception

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