Category: Cognitive Map

Whether network oscillation occurs in MEC at behavioural time scales in the second-to-minute regime such as spatial navigation and episodic memory?

Soledad Gonzalo Cogno, Horst A. Obenhaus, Ragnhild Irene Jacobsen, Flavio Donato, May-Britt Moser, Edvard I. Moser. Minute-scale oscillatory sequences in medial entorhinal cortex. bioRxiv 2022.05.02.490273; doi: https://doi.org/10.1101/2022.05.02.490273

Abstract
The medial entorhinal cortex (MEC) hosts many of the brain’s

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How does the hippocampus and its constituent pathways support novel category learning?

Jelena Sučević, Anna C. Schapiro. A neural network model of hippocampal contributions to category learning. bioRxiv 2022.01.12.476051; doi: https://doi.org/10.1101/2022.01.12.476051

Abstract
“In addition to its critical role in encoding individual episodes, the hippocampus is capable of extracting regularities across experiences. …

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What are the neural dynamics and architecture of the heading direction circuit in a vertebrate brain?

Luigi Petrucco, Hagar Lavian, You Kure Wu, Fabian Svara, Vilim Štih, Ruben Portugues. Neural dynamics and architecture of the heading direction circuit in a vertebrate brain. bioRxiv 2022.04.27.489672; doi: https://doi.org/10.1101/2022.04.27.489672

Abstract
“Animals can use different strategies to navigate. They …

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How does the brain translate experiences into structured knowledge that allows us to navigate to achieve goals?

Corey Fernandez, Jiefeng Jiang, Shao-Fang Wang, Hannah Choi, Anthony D Wagner. Representational integration and differentiation in the human hippocampus following goal-directed navigation. bioRxiv 2022.04.12.488078; doi: https://doi.org/10.1101/2022.04.12.488078

Abstract
“As we learn, dynamic memory processes build structured knowledge across our experiences. …

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How does the brain make flexible navigation decisions based on mixed visual and memory representations?

Shinichiro Kira, Houman Safaai, Ari S. Morcos, Stefano Panzeri, Christopher D. Harvey. A distributed and efficient population code of mixed selectivity neurons for flexible navigation decisions. bioRxiv 2022.04.10.487349; doi: https://doi.org/10.1101/2022.04.10.487349

Abstract
Decision-making requires flexibility to rapidly switch sensorimotor

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How does the hippocampus rapidly consolidates novel information for spatial navigation?

Brad E. Pfeiffer. Spatial learning drives rapid goal representation in hippocampal ripples without place field accumulation or goal-oriented theta sequences. Journal of Neuroscience 8 April 2022, JN-RM-2479-21; DOI: 10.1523/JNEUROSCI.2479-21.2022

Abstract
The hippocampus is critical for rapid acquisition of

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How linear/angular speed – derivative in time of position/direction – may allow the updating of spatial representations?

Spalla, D., Treves, A. & Boccara, C.N. Angular and linear speed cells in the parahippocampal circuits. Nat Commun 13, 1907 (2022). https://doi.org/10.1038/s41467-022-29583-z

Abstract
An essential role of the hippocampal region is to integrate information to compute and update

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