Category: Cognitive Map

How flexible navigation strategies emerge and evolve in freely moving non-human primates?

Nada El Mahmoudi, Francesca Lanzarini, Farzad Ziaie Nezhad, Deepak Surendran, Jean Laurens. From Exploration to Structured Navigation: Learning Dynamics of Freely Moving Marmosets during Foraging. bioRxiv 2025.03.22.644580; doi: https://doi.org/10.1101/2025.03.22.644580

Abstract
Spatial memory plays a crucial role in guiding

Be the First to comment. Read More

How insect integrate spatial and temporal information?

Gkanias, E., Webb, B. Spatiotemporal computations in the insect celestial compass. Nat Commun 16, 2832 (2025). https://doi.org/10.1038/s41467-025-57937-w

Abstract
Obtaining a geocentric directional reference from a celestial compass requires compensation for the sun’s movement during the day (relative to …

Be the First to comment. Read More

How the brain coordinates and integrates allocentric, route-centered, and egocentric spatial reference frames at the network level during navigation?

Yicheng Zheng (征亦诚), Xinyu Zhou (周信羽), Shawn C. Moseley, Sydney M. Ragsdale, Leslie J. Alday, Wei Wu (吴畏) and Aaron A. Wilber. A Hippocampal-parietal Network for Reference Frame Coordination. Journal of Neuroscience, 5 February 2025, e1782242025; https://doi.org/10.1523/JNEUROSCI.1782-24.2025

Abstract
“Navigating …

Be the First to comment. Read More

How spatial coding support auditory conceptual navigation in the entorhinal-hippocampal system?

Kyle Jasmin, Max Bullock, Frederic Dick, Roger Atkins, Roberto Bottini, Federica Sigismondi, Adam Tierney. Spatial coding supports auditory conceptual navigation. bioRxiv 2025.02.04.636440; doi: https://doi.org/10.1101/2025.02.04.636440

Abstract
Grid cells in human entorhinal cortex encode spatial layouts for real-world navigation, yet

Be the First to comment. Read More

How to compose egocentric and allocentric maps for flexible navigation?

Daniel Shani, Peter Dayan. Composing egocentric and allocentric maps for flexible navigation. bioRxiv 2025.01.24.634748; doi: https://doi.org/10.1101/2025.01.24.634748

Abstract
Egocentric representations of the environment have historically been relegated to being used only for simple forms of spatial behaviour such as …

Be the First to comment. Read More

How grid cell modules could emerge from local interaction?

Khona, M., Chandra, S. & Fiete, I. Global modules robustly emerge from local interactions and smooth gradientsNature (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 …

Be the First to comment. Read More

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

Be the First to comment. Read More

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). …

Be the First to comment. Read More

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

Be the First to comment. Read More

How memory and language are linked at the single-cell level?

D. E. Dijksterhuis et al. ,Pronouns reactivate conceptual representations in human hippocampal neurons.Science 385,1478-1484(2024).DOI:10.1126/science.adr2813

Abstract
“During discourse comprehension, every new word adds to an evolving representation of meaning that accumulates over consecutive sentences and constrains the next words

Be the First to comment. Read More

How shifts in the composition of memory-encoding neuronal ensembles influence the evolution of a memory over time?

Vilde A. Kveim et al. ,Divergent recruitment of developmentally defined neuronal ensembles supports memory dynamics.Science 385,eadk0997(2024).DOI:10.1126/science.adk0997

Editor’s summary
Memories are not fixed; they evolve after encoding and their content can be updated upon changes in external or

Be the First to comment. Read More

Whether the entorhinal grid system is also involved in predicting where an animal will be in the next moment?

Ayako Ouchi, Shigeyoshi Fujisawa ,Predictive grid coding in the medial entorhinal cortex.Science 385,776-784(2024).DOI:10.1126/science.ado4166

Editor’s summary
Grid cells in the entorhinal cortex create a coordinate system of the environment for spatial navigation. However, it is not clear whether

Be the First to comment. Read More

How abstract representations are encoded in populations of hippocampal neurons, how they emerge through learning and how they relate to behaviour?

Courellis, H.S., Minxha, J., Cardenas, A.R. et al. Abstract representations emerge in human hippocampal neurons during inference. Nature (2024). https://doi.org/10.1038/s41586-024-07799-x

Abstract
Humans have the remarkable cognitive capacity to rapidly adapt to changing environments. Central to this capacity …

Be the First to comment. Read More

How the hippocampus supports episodic and spatial memory at the same time?

Alexander Nitsch, Naomi de Haas, Mona M. Garvert, Christian F. Doeller. Integrating episodic and spatial context signals in the hippocampus. bioRxiv 2024.06.24.600445; doi: https://doi.org/10.1101/2024.06.24.600445

Abstract
Episodic and spatial memory are the two key components of the mnemonic system

Be the First to comment. Read More

How hippocampal-entorhinal cognitive maps and cortical motor system represent action plans and their outcomes?

Irina Barnaveli, Simone Viganò, Daniel Reznik, Patrick Haggard, Christian F. Doeller. Hippocampal-entorhinal cognitive maps and cortical motor system represent action plans and their outcomes. bioRxiv 2024.07.04.602119; doi: https://doi.org/10.1101/2024.07.04.602119

Efficiently interacting with the environment requires weighing and selecting among

Be the First to comment. Read More