Category: Spatial Memory

Whether associative memory involves precisely timed spiking of neurons in the medial temporal lobes that exhibit stimulus-specific tuning?

Lukas Kunz, Bernhard P Staresina, Peter C Reinacher, Armin Brandt, Tim A Guth, Andreas Schulze-Bonhage, Joshua Jacobs. Ripple-locked coactivity of stimulus-specific neurons supports human associative memory. bioRxiv 2022.10.17.512635; doi: https://doi.org/10.1101/2022.10.17.512635

Abstract
Associative memory is the ability to encode

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How to integrate new memories into the hippocampal network activity space?

Gava, G.P., McHugh, S.B., Lefèvre, L. et al. Integrating new memories into the hippocampal network activity space. Nat Neurosci 24, 326–330 (2021). https://doi.org/10.1038/s41593-021-00804-w

Abstract
“By investigating the topology of neuronal co-activity, we found that mnemonic information spans multiple operational …

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How the cross-modal identity of multiple conspecifics are represented in the marmoset hippocampus?

Timothy J Tyree, Michael Metke, Cory T Miller. Cross-Modal Representation of Identity in Primate Hippocampus. bioRxiv 2022.09.12.507611; doi: https://doi.org/10.1101/2022.09.12.507611

Abstract
“Faces and voices are the dominant social signals used to recognize individuals amongst human and nonhuman primates 1–5. Yet, …

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What is known about the role of the hippocampus in processing auditory information, and how the hippocampus itself is shaped by sound?

Alexander J. Billig, Meher Lad, William Sedley, Timothy D. Griffiths. The hearing hippocampus. Progress in Neurobiology, Volume 218, 2022, 102326.

Abstract
The hippocampus has a well-established role in spatial and episodic memory but a broader function has been

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How hippocampal activity supports building predictive models by organizing newly learned information according to its congruence with existing memories?

Adam M. P. Miller, Alex D. Jacob, Adam I. Ramsaran, Mitchell L. De Snoo, Sheena A. Josselyn, Paul W. Frankland. Evolution of predictive memory in the hippocampus. bioRxiv 2022.09.08.507204; doi: https://doi.org/10.1101/2022.09.08.507204

Summary
“The brain organizes experiences into memories that …

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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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Whether rats can learn spaces just by observation?

Doublet T, Nosrati M and Kentros CG (2022) Social Learning of a Spatial Task by Observation Alone. Front. Behav. Neurosci. 16:902675. doi: 10.3389/fnbeh.2022.902675

Abstact

“Interactions between conspecifics are central to the acquisition of useful memories in the real world. …

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