FANGWEN YU

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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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

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How zebrafish place cells integrate multiple sources of information and flexibly remap to form distinct spatial maps?

Yang, C., Mammen, L., Kim, B. et al. A population code for spatial representation in the zebrafish telencephalon. Nature (2024). https://doi.org/10.1038/s41586-024-07867-2

Abstract
“Spatial learning in teleost fish requires an intact telencephalon1, a brain region that contains putative analogues to …

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How hippocampal neuronal activity is aligned with action plans?

Ipshita Zutshi, Athina Apostolelli, Wannan Yang, Zheyang Zheng, Tora Dohi, Edoardo Balzani, Alex Williams, Cristina Savin, Gyorgy Buzsaki. Hippocampal neuronal activity is aligned with action plans.

Abstract
Neurons in the hippocampus are correlated with

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How ants use latent learning without map-like representation of space to navigate?

Leo Clement, Sebastian Schwarz, Antoine Wystrach. Latent learning without map-like representation of space in navigating ants. bioRxiv 2024.08.29.610243; doi: https://doi.org/10.1101/2024.08.29.610243

Abstract
“Desert ants are excellent navigators. Each individual learns long foraging routes meandering between the trees and bushes in …

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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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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

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What’s the relationship between world-centered (allocentric) and self-centered (egocentric) frames of spatial coding in the hippocampus during navigation?

Jordan Carpenter, Jan Sigurd Blackstad, David Tingley, Valentin A. Normand, Edvard I. Moser, May-Britt Moser, Benjamin A. Dunn. Investigating egocentric tuning in hippocampal CA1 neurons. Journal of Neuroscience, 13 August 2024, e0040242024; DOI: 10.1523/JNEUROSCI.0040-24.2024

Abstract
Navigation requires integrating

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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 …

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How the brain merge information from across sensory modalities?

Daniel D Kato, Randy M Bruno. Stability of cross-sensory input to primary somatosensory cortex across experience. bioRxiv 2024.08.07.607026; doi: https://doi.org/10.1101/2024.08.07.607026

Abstract
Merging information from across sensory modalities is key to forming robust, disambiguated percepts of the world, …

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