Category: Cognitive Navigation

How the neural representation of allocentric space is distorted by goal-directed behaviour?

PS Muhle-Karbe, H Sheahan, G Pezzulo, HJ Spiers, S Chien, NW Schuck, C Summerfield. Goal-seeking compresses neural codes for space in the human hippocampus and orbitofrontal cortex. bioRxiv 2023.01.12.523762; doi: https://doi.org/10.1101/2023.01.12.523762

Abstract
Humans can navigate flexibly to meet

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How the brain process gated transformations from egocentric to allocentric reference frames involving retrosplenial cortex, entorhinal cortex, and hippocampus?

Alexander, A. S., Robinson, J. C., Stern, C. E., & Hasselmo, M. E. (2023). Gated transformations from egocentric to allocentric reference frames involving retrosplenial cortex, entorhinal cortex, and hippocampus. Hippocampus, 1– 23. https://doi.org/10.1002/hipo.23513

Abstract
This paper reviews the

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How new learning affects a previously acquired spatial memory representation?

Samuel J Levy, Michael E Hasselmo. Hippocampal remapping induced by new behavior is mediated by spatial context. bioRxiv 2023.02.20.529330; doi: https://doi.org/10.1101/2023.02.20.529330

Abstract
“The hippocampus plays a central role in episodic memory and spatial navigation. Hippocampal neurons form unique representational

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How collective hippocampal coding properties facilitate the stability or precision of the neural code?

Sheintuch, Liron, Nitzan Geva, Daniel Deitch, Alon Rubin, and Yaniv Ziv. “Organization of hippocampal CA3 into correlated cell assemblies supports a stable spatial code.” Cell Reports 42, no. 2 (2023).

Summary
Hippocampal subfield CA3 is thought to

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How the brain avoid systematic erasing of previously encoded memories?

Irene Navarro-Lobato, Adrian Aleman-Zapata, Anumita Samanta, Milan Bogers, Shekhar Narayanan, Abdelrahman Rayan, Alejandra Alonso, Jacqueline van der Meij, Mehdi Khamassi, Zafar Khan, Lisa Genzel. Learning Fast and Slow: Increased cortical plasticity leads to memory interference and enhanced hippocampal-cortical interactions. …

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How brain encode object-location memories?

Yusuke Teratani-Ota, Brian J. Wiltgen. Encoding object-location memories along the proximodistal axis of CA1. bioRxiv 2022.10.17.512601; doi: https://doi.org/10.1101/2022.10.17.512601

Abstract
The hippocampus is thought to combine “what” and “where” information from the cortex so that objects and events can

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How rat brain transform egocentric views into goal-directed navigation behavior?

LaChance, Patrick A., and Jeffrey S. Taube. “A model for transforming egocentric views into goal‐directed behavior.” Hippocampus (2023).

Abstract

Neurons in the rat postrhinal cortex (POR) respond to the egocentric (observer-centered) bearing and distance of the boundaries,

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