Tag: Hippocampus

How context recognition and heading retrieval are coded in CA1 and how these processes change with experience during spatial reorientation?

Celia M. Gagliardi, Marc E. Normandin, Alexandra T. Keinath, Joshua B. Julian, Matthew R. Lopez, Manuel-Miguel Ramos-Alvarez, Russell A. Epstein, and Isabel A. Muzzio. Distinct neural mechanisms for heading retrieval and context recognition in the hippocampus during spatial reorientation

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How the hippocampus encodes, stores and updates learned associations?

Jeremy S. Biane, Max A. Ladow, Fabio Stefanini, Sayi P. Boddu, Austin Fan, Shazreh Hassan, Naz Dundar, Daniel L. Apodaca-Montano, Lexi Zichen Zhou, Varya Fayner, Nicholas I. Woods & Mazen A. Kheirbek. Neural dynamics underlying associative learning in the dorsal

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How the neural representation of allocentric space is distorted by goal-directed behaviour?

PS Muhle-Karbe, H Sheahan, G Pezzulo, HJ Spiers, S Chien, NW Schuck, C Summerfield. Goal-seeking compresses neural codes for space in the human hippocampus and orbitofrontal cortex. bioRxiv 2023.01.12.523762; doi: https://doi.org/10.1101/2023.01.12.523762

Abstract
Humans can navigate flexibly to meet

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How the brain process gated transformations from egocentric to allocentric reference frames involving retrosplenial cortex, entorhinal cortex, and hippocampus?

Alexander, A. S., Robinson, J. C., Stern, C. E., & Hasselmo, M. E. (2023). Gated transformations from egocentric to allocentric reference frames involving retrosplenial cortex, entorhinal cortex, and hippocampus. Hippocampus, 1– 23. https://doi.org/10.1002/hipo.23513

Abstract
This paper reviews the

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How episodic memories are stored within brains?

Sachin P Vaidya, Raymond A Chitwood, Jeffrey C Magee. The formation of an expanding memory representation in the hippocampus. bioRxiv 2023.02.01.526663; doi: https://doi.org/10.1101/2023.02.01.526663

Abstract
How episodic memories are stored within brains is poorly understood. While certain memory-retaining

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What are the brain mechanisms underlying spatial navigation in birds?

Agarwal A, Sarel A, Derdikman D, Ulanovsky N, Gutfreund Y. Spatial coding in the hippocampus and hyperpallium of flying owls. Proceedings of the National Academy of Sciences. 2023 Jan 31;120(5):e2212418120.

Significance
Birds travel long distances and navigate in

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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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