Category: Spatial Memory

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 do 3D place cells represent 3D volumetric space in rats?

Roddy M. Grieves, Selim Jedidi-Ayoub, Karyna Mishchanchuk, Anyi Liu, Sophie Renaudineau & Kate J. Jeffery. The place-cell representation of volumetric space in rats. Nat Commun 11, 789 (2020). https://doi.org/10.1038/s41467-020-14611-7

Abstract
“Place cells are spatially modulated neurons found in the …

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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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How an ant navigates the desert?

Rüdiger Wehner. Desert Navigator: The Journey of an Ant [M]. Harvard University Press, 2020.

About the Book

“A world-renowned researcher of animal behavior reveals the extraordinary orienteering skills of desert ants, offering a thrilling account of the sophisticated ways insects

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What we have learned so far about the features of memory, including memory formation, retrieval over time, and loss?

Sheena A. Josselyn, Susumu Tonegawa. Memory engrams: Recalling the past and imagining the future. Science, 03 Jan 2020:Vol. 367, Issue 6473, eaaw4325. DOI: 10.1126/science.aaw4325

“The ability to form memory is an essential trait that allows learning and the accumulation …

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