Tag: hippocampal

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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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 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 unique and predictable elements of memories are stored and reconstructed by efficiently combining both hippocampal and neocortical systems?

Eleanor Spens, Neil Burgess. A Generative Model of Memory Construction and Consolidation. bioRxiv 2023.01.19.524711; doi: https://doi.org/10.1101/2023.01.19.524711

Abstract
“Human episodic memories are (re)constructed, combining unique features with schema-based predictions, and share neural substrates with imagination. They also show systematic schema-based …

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How the hippocampal formation handles the embedding of stimuli in multiple relational structures that differ vastly in terms of their mode and timescale of acquisition: Does it integrate the different stimulus dimensions into one conjunctive map, or is each dimension represented in a parallel map?

Xiaochen Y. Zheng, Martin N. Hebart, Raymond J. Dolan, Christian F. Doeller, Roshan Cools, Mona M. Garvert. Parallel cognitive maps for short-term statistical and long-term semantic relationships in the hippocampal formation. bioRxiv 2022.08.29.505742; doi: https://doi.org/10.1101/2022.08.29.505742

Abstract
The hippocampal-entorhinal

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How hippocampal astrocytes encode reward location?

Adi Doron, Alon Rubin, Aviya Benmelech-Chovav, Netai Benaim, Tom Carmi, Ron Refaeli, Nechama Novick, Tirzah Kreisel, Yaniv Ziv & Inbal Goshen. Hippocampal astrocytes encode reward location. Nature (2022). https://doi.org/10.1038/s41586-022-05146-6

Abstract
“Astrocytic calcium dynamics has been implicated in the encoding …

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How hippocampal CA2 processes spatial novelty?

Bhasin, Guncha, and Indrajith R. Nair. “Dynamic hippocampal CA2 responses to contextual spatial novelty.” Frontiers in Systems Neuroscience: 79, 2022

Abstract

“Hippocampal place cells are functional units of spatial navigation and are present in all subregions: CA1, CA2, …

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