Category: Neural Basis of Navigation

How Do We Find Our Way?

Moser M (2021) How Do We Find Our Way? Grid Cells in the Brain. Front. Young Minds. 9:678725. doi: 10.3389/frym.2021.678725

ABSTRACT
Navigation in the environment, getting from one place to another, is one of the most fundamental and

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What are the spatial and temporal scales of brain-wide neuronal activity, and how do activities at different scales interact?

Evan S Schaffer, Neeli Mishra, Matthew R Whiteway, Wenze Li, Michelle B Vancura, Jason Freedman, Kripa B Patel, Venkatakaushik Voleti, Liam Paninski, Elizabeth M. C. Hillman, LF Abbott, Richard Axel. Flygenvectors: The spatial and temporal structure of neural activity across

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How the time is encoded in rat dorsolateral striatum?

Alessandro Toso, Sebastian Reinartz, Francesca Pulecchi, Mathew E. Diamond. Time coding in rat dorsolateral striatum. Neuron, 2021, https://doi.org/10.1016/j.neuron.2021.08.020.

Summary
To assess the role of dorsolateral striatum (DLS) in time coding, we recorded neuronal activity in rats tasked with

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How the insect central complex could coordinate multimodal navigation?

Xuelong Sun, Shigang Yue, Michael Mangan. How the insect central complex could coordinate multimodal navigation. bioRxiv 2021.08.18.456777; doi: https://doi.org/10.1101/2021.08.18.456777

Abstract
“The central complex of the insect midbrain is thought to coordinate insect guidance strategies. Computational models can account for …

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How do the neurons in rat retrosplenial cortex encode environment symmetry?

Ningyu Zhang, Roddy M Grieves, Kate J Jeffery. Environment symmetry drives a multidirectional code in rat retrosplenial cortex. bioRxiv 2021.08.22.457261; doi: https://doi.org/10.1101/2021.08.22.457261

Abstract
A class of neurons showing bidirectional tuning in a two-compartment environment was recently discovered in …

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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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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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