Brain Inspired Navigation Blog

How grid cell modules could emerge from local interaction?

Khona, M., Chandra, S. & Fiete, I. Global modules robustly emerge from local interactions and smooth gradients. Nature (2025). https://doi.org/10.1038/s41586-024-08541-3

Abstract
“Modular structure and function are ubiquitous in biology, from the organization of animal brains and bodies to the …

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How memory mechanisms shape navigational strategies in Drosophila?

Andrew F. Siliciano, Sun Minni, Chad Morton, Charles K. Dowell, Noelle B. Eghbali, Juliana Y. Rhee, L. F. Abbott, Vanessa Ruta. A vector-based strategy for olfactory navigation in Drosophila. bioRxiv 2025.02.15.638426; doi: https://doi.org/10.1101/2025.02.15.638426

Abstract
“Odors serve as essential cues …

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Whether and how dendritic plasticity modulates memory?

Sehgal, M., Filho, D.A., Kastellakis, G. et al. Compartmentalized dendritic plasticity in the mouse retrosplenial cortex links contextual memories formed close in time. Nat Neurosci (2025). https://doi.org/10.1038/s41593-025-01876-8

Abstract
“Events occurring close in time are often linked in memory…

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How learning produces an orthogonalized state machine in the hippocampus?

Sun, W., Winnubst, J., Natrajan, M. et al. Learning produces an orthogonalized state machine in the hippocampus. Nature (2025). https://doi.org/10.1038/s41586-024-08548-w

Abstract
“Cognitive maps confer animals with flexible intelligence by representing spatial, temporal and abstract relationships that can be …

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How left–right-alternating theta sweeps in the entorhinal–hippocampal positioning system provides an efficient ‘look around’ mechanism for sampling locations beyond the travelled path?

Abraham Z. Vollan, Richard J. Gardner, May-Britt Moser & Edvard I. Moser. Left–right-alternating theta sweeps in entorhinal–hippocampal maps of space. Nature (2025). https://doi.org/10.1038/s41586-024-08527-1

Abstract
“Place cells in the hippocampus and grid cells in the entorhinal cortex are elements …

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How does the brain actually represent the real world with its complex, multianimal settings?

Saikat Ray, Itay Yona, Nadav Elami, Shaked Palgi, Kenneth W. Latimer, Bente Jacobsen, Menno P. Witter, Liora Las, and Nachum Ulanovsky. Hippocampal coding of identity, sex, hierarchy, and affiliation in a social group of wild fruit bats. Science 387,eadk9385(2025). …

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How behavior incorporated into visual compass like route learning and recapitulation strategies might enable convergence to a learned route and its destination?

Amany Azevedo Amin, Andrew Philippides, Paul Graham. Ant visual route navigation: How the fine details of behaviour promote successful route performance and convergence. bioRxiv 2025.01.16.633342; doi: https://doi.org/10.1101/2025.01.16.633342

Abstract
“Individually foraging ants use egocentric views as a dominant navigation strategy …

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How does one brain circuit encode memories of both places and events?

Sarthak Chandra, Sugandha Sharma, Rishidev Chaudhuri & Ila Fiete. Episodic and associative memory from spatial scaffolds in the hippocampus. Nature (2025). https://doi.org/10.1038/s41586-024-08392-y

Abstract
“Hippocampal circuits in the brain enable two distinct cognitive functions: the construction of spatial maps for …

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How sleep microstructure organizes memory replay?

Hongyu Chang, Wenbo Tang, Annabella M. Wulf, Thokozile Nyasulu, Madison E. Wolf, Antonio Fernandez-Ruiz & Azahara Oliva. Sleep microstructure organizes memory replay. Nature (2025). https://doi.org/10.1038/s41586-024-08340-w

Abstract
“Recently acquired memories are reactivated in the hippocampus during sleep, an initial step …

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How to understand the neural basis of natural intelligence?

Angelo Forli, Michael M. Yartsev. Understanding the neural basis of natural intelligence. Cell, 2024, Volume 187, Issue 21, 5833 – 5837

Abstract
“Understanding the neural basis of natural intelligence necessitates a paradigm shift: from strict reductionism toward …

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How synaptic plasticity underlies place-field formation and memory encoding during navigation?

Gonzalez, K.C., Negrean, A., Liao, Z. et al. Synaptic basis of feature selectivity in hippocampal neurons. Nature (2024). https://doi.org/10.1038/s41586-024-08325-9

Abstract
“A central question in neuroscience is how synaptic plasticity shapes the feature selectivity of neurons in behaving animals1. …

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How human hippocampal CA3 uses specific functional connectivity rules for efficient associative memory?

Jake F. Watson, Victor Vargas-Barroso, Rebecca J. Morse-Mora, Andrea Navas-Olive, Mojtaba R. Tavakoli, Johann G. Danzl, Matthias Tomschik, Karl Rössler, Peter Jonas. Human hippocampal CA3 uses specific functional connectivity rules for efficient associative memory. Cell, 2024. DOI: 10.1016/j.cell.2024.11.022

Summary…

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How are associative memories formed? Which cells represent a memory, and when are they engaged?

Clément Pouget, Flora Morier, Nadja Treiber, Pablo Fernández García, Nina Mazza, Run Zhang, Isaiah Reeves, Stephen Winston, Mark A. Brimble, Christina K. Kim, Gisella Vetere. Deconstruction of a memory engram reveals distinct ensembles recruited at learning. bioRxiv 2024.12.11.627894; doi: …

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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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Brain Inspired Navigation Blog

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

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