Category: Cognitive Navigation

How entorhinal cortex directs learning-related changes in CA1 representations?

Christine Grienberger, Jeffrey C. Magee. Entorhinal cortex directs learning-related changes in CA1 representations. Nature (2022). https://doi.org/10.1038/s41586-022-05378-6

Abstract
Learning-related changes in brain activity are thought to underlie adaptive behaviours1,2. For instance, the learning of a reward site by …

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Whether associative memory involves precisely timed spiking of neurons in the medial temporal lobes that exhibit stimulus-specific tuning?

Lukas Kunz, Bernhard P Staresina, Peter C Reinacher, Armin Brandt, Tim A Guth, Andreas Schulze-Bonhage, Joshua Jacobs. Ripple-locked coactivity of stimulus-specific neurons supports human associative memory. bioRxiv 2022.10.17.512635; doi: https://doi.org/10.1101/2022.10.17.512635

Abstract
Associative memory is the ability to encode

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How to integrate new memories into the hippocampal network activity space?

Gava, G.P., McHugh, S.B., Lefèvre, L. et al. Integrating new memories into the hippocampal network activity space. Nat Neurosci 24, 326–330 (2021). https://doi.org/10.1038/s41593-021-00804-w

Abstract
“By investigating the topology of neuronal co-activity, we found that mnemonic information spans multiple operational …

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How does the monarch butterfly brain encode goal direction?

M. Jerome Beetz, Christian Kraus, Basil el Jundi. Neural representation of goal direction in the monarch butterfly brain. bioRxiv 2022.10.15.512348; doi: https://doi.org/10.1101/2022.10.15.512348

Abstract
Neural processing of a navigational goal requires the continuous comparison between the current heading and

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How entorhinal grid-like codes and time-locked network dynamics track others navigating through space?

Isabella C Wagner, Luise Graichen, Boryana Todorova, Andre Luettig, David Omer, Matthias Stangl, Claus Lamm. Entorhinal grid-like codes and time-locked network dynamics track others navigating through space. bioRxiv 2022.10.08.511403; doi: https://doi.org/10.1101/2022.10.08.511403

Abstract
“Navigating through crowded, dynamically changing social environments …

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How the human brain mediates second-scale time perception?

Yu, Q., Bi, Z., Jiang, S., Yan, B., Chen, H., Wang, Y., Miao, Y., Li, K., Wei, Z., Xie, Y. and Tan, X., 2022. Visual cortex encodes timing information in humans and mice. Neuron.DOI:https://doi.org/10.1016/j.neuron.2022.09.008

Summary
Despite the importance

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Whether the compression of time cells obeys the Weber-Fechner Law?

Rui Cao, John H. Bladon, Stephen J. Charczynski, Michael E. Hasselmo, Marc W. Howard. Internally Generated Time in the Rodent Hippocampus is Logarithmically Compressed. bioRxiv 2021.10.25.465750; doi: https://doi.org/10.1101/2021.10.25.465750

Abstract
“The Weber-Fechner law proposes that our perceived sensory input increases …

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