Category: Neural Basis of Navigation

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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