Brain Inspired Navigation Blog

Category: Spatial Memory

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 …

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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 …

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How bees achieve vertebrate-like, high-level navigation behaviors with far fewer neurons in their brains?

Patel RN, Roberts NS, Kempenaers J, Zadel A, Heinze S. Parallel vector memories in the brain of a bee as foundation for flexible navigation. Proceedings of the National Academy of Sciences. 2024 Jul 23;121(30):e2402509121.

Significance
“Insects navigate by …

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How to build a bio-inspired hardware implementation of an analog spike-based hippocampus memory model?

Daniel Casanueva-Morato, Alvaro Ayuso-Martinez, Giacomo Indiveri, J P Dominguez-Morales,Gabriel Jimenez-Moreno. A bio-inspired hardware implementation of an analog spike-based hippocampus memory model. TechRxiv. April 03, 2024. DOI: 10.36227/techrxiv.171216721.14143739/v1

Abstract
“The need for processing at the edge the increasing amount of …

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How the medial entorhinal cortex develops during learning and influences memory?

Malone, T.J., Tien, NW., Ma, Y. et al. A consistent map in the medial entorhinal cortex supports spatial memory. Nat Commun 15, 1457 (2024). https://doi.org/10.1038/s41467-024-45853-4

Abstract
“The medial entorhinal cortex (MEC) is hypothesized to function as a …

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Whether associative memory involves temporally correlated spiking of medial temporal lobe (MTL) neurons that exhibit stimulus-specific tuning?

Kunz, L., Staresina, B.P., Reinacher, P.C. et al. Ripple-locked coactivity of stimulus-specific neurons and human associative memory. Nat Neurosci (2024). https://doi.org/10.1038/s41593-023-01550-x

Abstract
“Associative memory enables the encoding and retrieval of relations between different stimuli. To better understand its neural …

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How the activity of entorhinal cells is tied together over time at behaviourally relevant time scales, in the second-to-minute regime?

Soledad Gonzalo Cogno, Horst A. Obenhaus, Ane Lautrup, R. Irene Jacobsen, Claudia Clopath, Sebastian O. Andersson, Flavio Donato, May-Britt Moser & Edvard I. Moser. Minute-scale oscillatory sequences in medial entorhinal cortex. Nature (2023). https://doi.org/10.1038/s41586-023-06864-1

Abstract
“The medial entorhinal …

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How to build a dynamic attractor network model of memory formation, reinforcement and forgetting?

Marta Boscaglia, Chiara Gastaldi, Wulfram Gerstner, Rodrigo Quian Quiroga. A dynamic attractor network model of memory formation, reinforcement and forgetting. bioRxiv 2023.12.01.569560; doi: https://doi.org/10.1101/2023.12.01.569560

Abstract
“Empirical evidence shows that memories that are frequently revisited are easy to recall, …

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How hippocampal assembly co-activity and temporally-compressed sequences are complementary codes that support associative and predictive aspects of memory？

Can Liu, Ralitsa Todorova, Wenbo Tang, Azahara Oliva, Antonio Fernandez-Ruiz. Associative and predictive hippocampal codes support memory-guided behaviors.Science 382,eadi8237(2023).DOI:10.1126/science.adi8237

Abstract
“Episodic memory involves learning and recalling associations between items and their spatiotemporal context. Those memories can be further used …

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How navigational systems in the human brain dynamically code for past, present, and future trajectories?

You Cheng, Sam Ling, Chantal E. Stern, Elizabeth R. Chrastil. Navigational systems in the human brain dynamically code for past, present, and future trajectories. bioRxiv 2023.08.22.554387; doi: https://doi.org/10.1101/2023.08.22.554387

Abstract
“Navigational trajectory planning requires the interaction of systems that …

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What are the mechanisms of memory storage and retrieval in hippocampal area CA3?

Yiding Li, John J. Briguglio, Sandro Romani, Jeffrey C. Magee. Mechanisms of memory storage and retrieval in hippocampal area CA3. bioRxiv 2023.05.30.542781; doi: https://doi.org/10.1101/2023.05.30.542781

Abstract
“Hippocampal area CA3 is thought to play a central role in memory formation and …

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How hippocampal system neurons encode views for memory and navigation in different species?

Hippocampus Special Issue:Hippocampal System Neurons Encoding Views in Different Species
Issue Edited by: Edmund Rolls, Sylvia Wirth , May 2023

“The aim of this Special Issue of Hippocampus (2023) is to bring together papers that address view representations in the …

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How the hippocampus encodes, stores and updates learned associations?

Jeremy S. Biane, Max A. Ladow, Fabio Stefanini, Sayi P. Boddu, Austin Fan, Shazreh Hassan, Naz Dundar, Daniel L. Apodaca-Montano, Lexi Zichen Zhou, Varya Fayner, Nicholas I. Woods & Mazen A. Kheirbek. Neural dynamics underlying associative learning in the dorsal …

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How distinct hippocampal-prefrontal neural assemblies coordinate memory encoding, maintenance, and recall?

Aleksander P.F. Domanski, Michal T. Kucewicz, Eleonora Russo, Mark D. Tricklebank, Emma S.J. Robinson, Daniel Durstewitz, Matt W. Jones. Distinct hippocampal-prefrontal neural assemblies coordinate memory encoding, maintenance, and recall. Current Biology, 2023.

Summary
“Short-term memory enables incorporation of …

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Whether or how the brain flexibly represents information about different event components at encoding and during remembering?

Reagh, Z.M., Ranganath, C. Flexible reuse of cortico-hippocampal representations during encoding and recall of naturalistic events. Nat Commun 14, 1279 (2023). https://doi.org/10.1038/s41467-023-36805-5

Abstract
“Although every life event is unique, there are considerable commonalities across events. However, little is known …

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Brain Inspired Navigation Blog

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