Category: Spatial Memory

How distinct hippocampal-prefrontal neural assemblies coordinate memory encoding, maintenance, and recall?

Aleksander P.F. Domanski, Michal T. Kucewicz, Eleonora Russo, Mark D. Tricklebank, Emma S.J. Robinson, Daniel Durstewitz, Matt W. Jones. Distinct hippocampal-prefrontal neural assemblies coordinate memory encoding, maintenance, and recall. Current Biology, 2023.

Summary
“Short-term memory enables incorporation of …

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Whether or how the brain flexibly represents information about different event components at encoding and during remembering?

Reagh, Z.M., Ranganath, C. Flexible reuse of cortico-hippocampal representations during encoding and recall of naturalistic events. Nat Commun 14, 1279 (2023). https://doi.org/10.1038/s41467-023-36805-5

Abstract
“Although every life event is unique, there are considerable commonalities across events. However, little is known …

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What’s the local circuit-basis for spatial navigation and memory processes in hippocampal area CA1?

Tristan Geiller, James B. Priestley, Attila Losonczy. A local circuit-basis for spatial navigation and memory processes in hippocampal area CA1. Current Opinion in Neurobiology. Volume 79, 2023,102701.

Abstract
“The hippocampus is a multi-stage neural circuit that is critical for …

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How the cognitive map is recalled and how the manipulation of distances and directions occurs within the cognitive map?

Teixeira De Almeida, M., Faulmann, I., Seeber, M., Gschwend, K., Maurer, R., & Burra, N. 2023. Electrophysiological correlates of distance and direction processing during cognitive map retrieval: A source analysis. Frontiers in Human Neuroscience, 17, 42.

“The aim …

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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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