Category: Cognitive Map

How does the cortex retrieve episodic memories from the hippocampus during memory consolidation?

HaoRan Chang, Ingrid M. Esteves, Adam R. Neumann, Majid H. Mohajerani, Bruce L. McNaughton. Cortical Reactivation of Non-Spatial and Spatial Memory Representations Coordinate with Hippocampus to Form a Memory Dialogue. bioRxiv 2022.12.16.520658; doi: https://doi.org/10.1101/2022.12.16.520658

Abstract
“Episodic memory depends on …

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How dopamine promotes head direction plasticity during orienting movements?

Yvette E. Fisher, Michael Marquis, Isabel D’Alessandro& Rachel I. Wilson. Dopamine promotes head direction plasticity during orienting movements. Nature (2022). https://doi.org/10.1038/s41586-022-05485-4

Abstract
In neural networks that store information in their connection weights, there is a tradeoff between sensitivity

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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 entorhinal grid-like codes and time-locked network dynamics track others navigating through space?

Isabella C Wagner, Luise Graichen, Boryana Todorova, Andre Luettig, David Omer, Matthias Stangl, Claus Lamm. Entorhinal grid-like codes and time-locked network dynamics track others navigating through space. bioRxiv 2022.10.08.511403; doi: https://doi.org/10.1101/2022.10.08.511403

Abstract
“Navigating through crowded, dynamically changing social environments …

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How the human brain mediates second-scale time perception?

Yu, Q., Bi, Z., Jiang, S., Yan, B., Chen, H., Wang, Y., Miao, Y., Li, K., Wei, Z., Xie, Y. and Tan, X., 2022. Visual cortex encodes timing information in humans and mice. Neuron.DOI:https://doi.org/10.1016/j.neuron.2022.09.008

Summary
Despite the importance

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Whether the compression of time cells obeys the Weber-Fechner Law?

Rui Cao, John H. Bladon, Stephen J. Charczynski, Michael E. Hasselmo, Marc W. Howard. Internally Generated Time in the Rodent Hippocampus is Logarithmically Compressed. bioRxiv 2021.10.25.465750; doi: https://doi.org/10.1101/2021.10.25.465750

Abstract
“The Weber-Fechner law proposes that our perceived sensory input increases …

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How hippocampal neurons with object-anchored firing fields contribute to homing based on path integration in navigation?

Maryam Najafian Jazi, Adrian Tymorek, Ting Yung Yen, Felix Jose Kavarayil, Moritz Stingl, Sherman Richard Chau, Benay Baskurt, Celia Garcia Vilela, Kevin Allen. Hippocampal firing fields anchored to a moving object predict homing direction during path-integration-based behavior. bioRxiv 2022.09.30.510268; doi: …

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How the brain generalize prior knowledge to solve novel problems by abstracting common structure and mapping it onto new sensorimotor specifics?

Samborska, V., Butler, J.L., Walton, M.E. et al. Complementary task representations in hippocampus and prefrontal cortex for generalizing the structure of problems. Nat Neurosci (2022). https://doi.org/10.1038/s41593-022-01149-8

Abstract
Humans and other animals effortlessly generalize prior knowledge to solve novel

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How to build a cognitive map?

Whittington, J.C.R., McCaffary, D., Bakermans, J.J.W. et al. How to build a cognitive map. Nat Neurosci (2022). https://doi.org/10.1038/s41593-022-01153-y

Abstract
“Learning and interpreting the structure of the environment is an innate feature of biological systems, and is integral to guiding …

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How hippocampal cellular diversity relates to the different hippocampal network computations that support memory-guided behavior?

Ryan E Harvey, Heath L Robinson, Can Liu, Azahara Oliva, Antonio Fernandez-Ruiz. Hippocampo-cortical circuits for selective memory encoding, routing, and replay. bioRxiv 2022.09.25.509420; doi: https://doi.org/10.1101/2022.09.25.509420

Abstract
“Traditionally considered a homogeneous cell type, hippocampal pyramidal cells have been recently shown

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How the brain uses diverse sensory information to generate a stable directional representation of space?

Kadjita Asumbisa, Adrien Peyrache & Stuart Trenholm. Flexible cue anchoring strategies enable stable head direction coding in both sighted and blind animals. Nat Commun 13, 5483 (2022). https://doi.org/10.1038/s41467-022-33204-0

Abstract
Vision plays a crucial role in instructing the brain’s

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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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