Brain Inspired Navigation Blog

How grid cell firing patterns rapidly adapt to novel or changing environmental features on a timescale relevant to behaviour?

Wen, J.H., Sorscher, B., Aery Jones, E.A. et al. One-shot entorhinal maps enable flexible navigation in novel environments. Nature (2024). https://doi.org/10.1038/s41586-024-08034-3

Abstract
“Animals must navigate changing environments to find food, shelter or mates. In mammals, grid cells in …

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How the representations of space and time interact in the hippocampal memory system?

Chen, Shijie, Ning Cheng, Xiaojing Chen, and Cheng Wang. “Integration and competition between space and time in the hippocampus.” Neuron (2024).

Summary
“Episodic memory is organized in both spatial and temporal contexts. The hippocampus is crucial for episodic …

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How the brain integrate recent experiences into existing memories ensures that memories contain the most recently available information?

Zaki, Y., Pennington, Z.T., Morales-Rodriguez, D. et al. Offline ensemble co-reactivation links memories across days. Nature (2024). https://doi.org/10.1038/s41586-024-08168-4

Abstract
“Memories are encoded in neural ensembles during learning1,2,3,4,5,6 and are stabilized by post-learning reactivation7,8,9,10,11,12,13,14,15,16,17. Integrating recent experiences into existing memories …

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How learning-associated astrocyte ensembles regulate memory recall?

Williamson, M.R., Kwon, W., Woo, J. et al. Learning-associated astrocyte ensembles regulate memory recall. Nature (2024). https://doi.org/10.1038/s41586-024-08170-w

Abstract
“The physical manifestations of memory formation and recall are fundamental questions that remain unresolved1. At the cellular level, ensembles …

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How bats use environmental acoustic information to perform acoustic cognitive map–based navigation?

Aya Goldshtein, Xing Chen, Eran Amichai, Arjan Boonman, Lee Harten, Omer Yinon,Yotam Orchan, Ran Nathan, Sivan Toledo, Iain D. Couzin, Yossi Yovel. Acoustic cognitive map–based navigation in echolocating bats.Science 386,561-567(2024).DOI:10.1126/science.adn6269

Editor’s summary
“Insectivorous bats are well known to use …

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Where visual objects are encoded in the mouse brain or how visual objects impact processing within the spatial navigation system?

Dominique Siegenthaler, Henry Denny, Sofía Skromne Carrasco, Johanna Luise Mayer, Adrien Peyrache, Stuart Trenholm, Émilie Macé. Visual objects refine head direction coding. bioRxiv 2024.10.21.619417; doi: https://doi.org/10.1101/2024.10.21.619417

Abstract
“Animals use visual objects to guide navigation-related behaviors, from hunting prey, …

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What are the mechanisms of memory-supporting neuronal dynamics in hippocampal area CA3?

Li, Yiding, John J. Briguglio, Sandro Romani, Jeffrey C. Magee, Eddy Kinganda-Lusamaki, Adrienne Amuri-Aziza, Nicolas Fernandez-Nuñez et al. “Mechanisms of memory-supporting neuronal dynamics in hippocampal area CA3.” Cell 187 (2024): 2030-2051.

 

Summary
“Hippocampal CA3 is central to …

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Brain Inspired Navigation Blog

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

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