Category: Cognitive Navigation

Are grid cells used for navigation? On local metrics, subjective spaces, and black holes

Ginosar, Gily, Johnatan Aljadeff, Liora Las, Dori Derdikman, and Nachum Ulanovsky. “Are grid cells used for navigation? On local metrics, subjective spaces, and black holes.” Neuron (2023).

Summary
“The symmetric, lattice-like spatial pattern of grid-cell activity is thought …

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How hippocampal CA1 neurons encode both world-centered spatial information and animals’ location relative to the local landmarks, with a common directional input presumably provided by the head direction cell system?

Yue-Qing Zhou, Vyash Puliyadi, Xiaojing Chen, Joonhee Leo Lee, Lan-Yuan Zhang, James J. Knierim. Conjunctive vector coding and place coding in hippocampus share a common directional signal. bioRxiv 2023.06.02.543340; doi: https://doi.org/10.1101/2023.06.02.543340

Abstract
Vector coding is becoming increasingly understood

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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 place cells resolve spatial ambiguities?

Han Yin Cheng, Dorothy WU Overington, Kate J Jeffery. Three separable roles for context in breaking environmental symmetries for place cells. bioRxiv 2023.05.28.542182; doi: https://doi.org/10.1101/2023.05.28.542182

Abstract
We investigated how place cells resolve spatial ambiguities, such as identical compartments

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How contextual and goal information are incorporated in the construction and execution of navigational plans in the human hippocampus?

Jordan Crivelli-Decker, Alex Clarke, Seongmin A. Park, Derek J. Huffman, Erie D. Boorman & Charan Ranganath. Goal-oriented representations in the human hippocampus during planning and navigation. Nat Commun 14, 2946 (2023). https://doi.org/10.1038/s41467-023-35967-6

Abstract
“Recent work in cognitive and systems …

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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 dorsal subiculum encode corners across environmental geometries in an allocentric reference frame?

Yanjun Sun, Douglas A Nitz, Xiangmin Xu, Lisa M Giocomo. The subiculum encodes environmental geometry. bioRxiv 2023.05.07.539721; doi: https://doi.org/10.1101/2023.05.07.539721

Abstract
Corners are a cardinal feature of many of the complex environmental geometries found in the natural world but

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