Category: Cognitive Navigation

How hippocampal activity encodes numerous memories of specific events in life?

Selmaan N. Chettih,Emily L. Mackevicius,Stephanie Hale,Dmitriy Aronov. Barcoding of episodic memories in the hippocampus of a food-caching bird. Cell, March 29, 2024.  DOI:https://doi.org/10.1016/j.cell.2024.02.032

Summary
The hippocampus is critical for episodic memory. Although hippocampal activity represents place and …

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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 memoryNat 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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How place cells use environmental cues to resolve the ambiguity of arotationally symmetric environment?

Cheng, Han Yin, Dorothy W. Overington, and Kate J. Jeffery. “A configural context signal simultaneously but separably drives positioning and orientation of hippocampal place fields.” Hippocampus 34.2 (2024): 73-87.

Abstract
Effective self-localization requires that the brain can

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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 to convert an allocentric goal into an egocentric steering signal?

Mussells Pires, P., Zhang, L., Parache, V. et al. Converting an allocentric goal into an egocentric steering signal. Nature (2024). https://doi.org/10.1038/s41586-023-07006-3

Abstract
“Neuronal signals that are relevant for spatial navigation have been described in many species1,2,3,4,5,6,7,8,9,10. However, a circuit-level

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Whether the entorhinal cortex integrates relational information about changing values during prospective decision making using a grid-like representation of an abstract value space?

Nitsch, A., Garvert, M.M., Bellmund, J.L.S. et al. Grid-like entorhinal representation of an abstract value space during prospective decision makingNat Commun 15, 1198 (2024). https://doi.org/10.1038/s41467-024-45127-z

Abstract
How valuable a choice option is often changes over time,

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How subfield-specific interneuron circuits govern the hippocampal response to novelty in male mice

Hainmueller, T., Cazala, A., Huang, LW. et al. Subfield-specific interneuron circuits govern the hippocampal response to novelty in male mice. Nat Commun 15, 714 (2024). https://doi.org/10.1038/s41467-024-44882-3

Abstract
“The hippocampus is the brain’s center for episodic memories. Its subregions, the …

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How to implement distinct manifold encoding of navigational information in the subiculum and hippocampus?

Shinya Nakai, Takuma Kitanishi, Kenji Mizuseki. Distinct manifold encoding of navigational information in the subiculum and hippocampus. Science Advances, 10,eadi4471(2024).DOI:10.1126/sciadv.adi4471

Abstract
The subiculum (SUB) plays a crucial role in spatial navigation and encodes navigational information differently from the

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How grid cells perform path integration in multiple reference frames during self-motion-based navigation?

Jing-Jie Peng, Beate Throm, Maryam Najafian Jazi, Ting-Yun Yen, Hannah Monyer, Kevin Allen. Grid cells perform path integration in multiple reference frames during self-motion-based navigation. bioRxiv 2023.12.21.572857; doi: https://doi.org/10.1101/2023.12.21.572857

Abstract
“With their periodic firing pattern, grid cells are considered

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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 the vestibular system influences the generation and updating of the head direction signal?

Jalina A. Graham, Julie R. Dumont, Shawn S. Winter, Joel E. Brown, Patrick A. LaChance, Carly C. Amon, Kara B. Farnes, Ashlyn J. Morris, Nicholas A. Streltzov and Jeffrey S. Taube. Angular Head Velocity Cells within Brainstem Nuclei Projecting to

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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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Whether animals can intentionally control their hippocampal activity according to their model of the world

Chongxi Lai et al., Volitional activation of remote place representations with a hippocampal brain–machine interface. Science382,566-573(2023).DOI:10.1126/science.adh5206

Editor’s summary

“The hippocampus holds a model of the environment that can be mentally traversed during recall or simulation. …

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How hippocampal activity relates to spatial behaviour in dynamic and ethologically relevant group settings?

Forli, A., Yartsev, M.M. Hippocampal representation during collective spatial behaviour in batsNature (2023). https://doi.org/10.1038/s41586-023-06478-7

Abstract
Social animals live and move through spaces shaped by the presence, motion and sensory cues of multiple other individuals1,2,3,4,5,6. Neural activity

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How the hippocampus represents the temporal distance to different goals?

Alison Montagrin, Denise E. Croote, Maria Giulia Preti, Liron Lerman, Mark G. Baxter, Daniela Schiller. Hippocampal timestamp for goals
bioRxiv 2023.07.27.550892; doi: https://doi.org/10.1101/2023.07.27.550892

Abstract
Our brain must manage multiple goals that differ in their temporal proximity. Some …

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