Category: Episodic Memory

Why are our conceptions of space and time intertwined with memory in the hippocampal formation?

Lynn Nadel. The hippocampal formation and action at a distance. Proceedings of the National Academy of Sciences Dec 2021, 118 (51) e2119670118; DOI: 10.1073/pnas.2119670118

 

“Why is it that the same neural system is so intimately involved in aspects …

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How do time cells in the human hippocampus and entorhinal cortex support episodic memory?

Gray Umbach, Pranish Kantak, Joshua Jacobs, Michael Kahana, Brad E. Pfeiffer, Michael Sperling, Bradley Lega. Time cells in the human hippocampus and entorhinal cortex support episodic memory. Proceedings of the National Academy of Sciences Nov 2020, 117 (45) 28463-28474; …

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How does the monkey brain represent what and when conjunctively during anassociative memory task?

Cruzado NA, Tiganj Z, Brincat SL, Miller EK, Howard MW. Conjunctive representation of what and when in monkey hippocampus and lateral prefrontal cortex during an associative memory task. Hippocampus. 2020 Dec;30(12):1332-1346. doi: 10.1002/hipo.23282.

Abstract
Adaptive memory requires the

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How to translate complex attractor networks into spiking networks for rubust neuromorphic computing?

E. Paxon Frady, Friedrich T. Sommer. Robust computation with rhythmic spike patterns. Proceedings of the National Academy of Sciences Sep 2019, 116 (36) 18050-18059; DOI: 10.1073/pnas.1902653116

Significance
“This work makes 2 contributions. First, we present a neural network model

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How does the brain encode temporal context information about what happened in addition to when it happened?

Ian M. Bright, Miriam L. R. Meister, Nathanael A. Cruzado, Zoran Tiganj, Elizabeth A. Buffalo, Marc W. Howard. A temporal record of the past with a spectrum of time constants in the monkey entorhinal cortex. Proceedings of the National …

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How does the neural network link the scene perception and spatial memory systems of the human brain?

Adam Steel, Madeleine M. Billings, Edward H. Silson, Caroline E. Robertson. A network linking perception and memory systems in posterior cerebral cortex. doi: https://doi.org/10.1101/2020.05.25.115147

Abstract
“Here, we report a new network of brain areas bridging the spatial-memory and scene-perception

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How can spatial navigation research in neuroscience and AI advance both fields significantly?

Bermudez-Contreras E, Clark BJ and Wilber A (2020) The Neuroscience of Spatial Navigation and the Relationship to Artificial IntelligenceFront. Comput. Neurosci. 14:63. doi: 10.3389/fncom.2020.00063

Abstract

“Recent advances in artificial intelligence (AI) and neuroscience are impressive. In AI, this …

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How do spatial view cells work in spatial navigation and memory recall?

Rolls ET, Stringer SM. Spatial view cells in the hippocampus, and their idiothetic update based on place and head directionNeural Netw. 2005;18(9):1229‐1241. doi:10.1016/j.neunet.2005.08.006

Abstract:

Single neuron recording studies have demonstrated the existence of spatial view neurons

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How to study long-term memory formation and recall during spatial navigation in rodents?

Morales L, Tomàs DP, Dalmau J, de la Rocha J and Jercog PE (2020) High-Throughput Task to Study Memory Recall During Spatial Navigation in Rodents. Front. Behav. Neurosci. 14:64. doi: 10.3389/fnbeh.2020.00064

Abstract

“Spatial navigation is one of the most …

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How does the human brain encode distance and direction underlie navigation of a novel semantic space?

Simone Viganò, Manuela Piazza. Distance and direction codes underlie navigation of a novel semantic space in the human brain. Journal of Neuroscience 14 February 2020, 1849-19; DOI: 10.1523/JNEUROSCI.1849-19.2020

Abstract
A recent proposal posits that humans might use the

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How do the brain circuits work in encoding, retrieval and discrimination of episodic memories?

Hainmueller, T., Bartos, M. Dentate gyrus circuits for encoding, retrieval and discrimination of episodic memories. Nat Rev Neurosci (2020). https://doi.org/10.1038/s41583-019-0260-z

Abstract
The dentate gyrus (DG) has a key role in hippocampal memory formation. Intriguingly, DG lesions impair …

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How does the time cells encode temporal information in the human brain?

Gray Umbach, Pranish Kantak, Joshua Jacobs, Michael J. Kahana, Brad E. Pfeiffer, Michael Sperling, Bradley Lega. Time cells in the human hippocampus and entorhinal cortex support episodic memory. bioRxiv 2020.02.03.932749; doi: https://doi.org/10.1101/2020.02.03.932749

Abstract
The organization of temporal information

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How is time generated in the hippocampal episodic memory system?

Edmund T. Rolls, Patrick Mills. The Generation of Time in the Hippocampal Memory System. Cell Reports, Volume 28, Issue 7, 2019, Pages 1649-1658.e6.

In Brief

“Rolls and Mills 2019 describe a theory and model of how time is generated

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How spatial information is dynamically reactivated in sub-regions of the human MTL and how this reactivation guides recall of episodic information

Nora A. Herweg, Ashwini D. Sharan, Michael R. Sperling, Armin Brandt, Andreas Schulze-Bonhage and Michael J. Kahana. Reactivated spatial context guides episodic recall. Journal of Neuroscience 23 January 2020, 1640-19; DOI: https://doi.org/10.1523/JNEUROSCI.1640-19.2019

Abstract
“The medial temporal lobe (MTL) is …

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How biological and artificial learning systems work?

James L. McClelland, Bruce L. McNaughton, Andrew K. Lampinen. Integration of New Information in Memory: New Insights from a Complementary Learning Systems Perspective. bioRxiv 2020.01.17.909804; doi: https://doi.org/10.1101/2020.01.17.909804

Abstract
“According to complementary learning systems theory, integrating new memories into the …

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