FANGWEN YU

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CogNav Blog Latest news on cognitive navigation in robotics and neuroscience

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 does the brain select what to remember during sleep?

Wannan Yang, Chen Sun, Roman Huszár, Thomas Hainmueller, Kirill Kiselev, György Buzsáki. “Selection of experience for memory by hippocampal sharp wave ripple.” Science 383, 1478-1483 (2024).

Abstract
“Experiences need to be tagged during learning for further …

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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 egocentric coding properties arise from its presynaptic inputs, and how egocentric cells represent items across different behavioral contexts?

Cheng, Ning, Qiqi Dong, Zhen Zhang, Li Wang, Xiaojing Chen, and Cheng Wang. “Egocentric processing of items in spines, dendrites, and somas in the retrosplenial cortex.” Neuron (2023).

Summary
“Egocentric representations of external items are essential for spatial …

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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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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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