Category: Episodic Memory

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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How the dynamic internal states shape memory retrieval?

Tarder-Stoll, Hannah, Manasi Jayakumar, Halle R. Dimsdale-Zucker, Eren Günseli, and Mariam Aly. “Dynamic internal states shape memory retrieval.” Neuropsychologia (2019): 107328.

Highlights
• Retrieval mode is a neurocognitive state that optimizes access to memory.

• We review how

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