Category: Neural Basis of Navigation

How neurons encode variables during goal-directed navigation in environments that dynamically change?

Alexander Gonzalez, Lisa M Giocomo. Parahippocampal neurons encode task-relevant information for goal-directed navigation. bioRxiv 2022.12.15.520660; doi: https://doi.org/10.1101/2022.12.15.520660

Abstract
“A behavioral strategy crucial to survival is directed navigation to a goal, such as a food or home location. One potential

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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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How dopamine promotes head direction plasticity during orienting movements?

Yvette E. Fisher, Michael Marquis, Isabel D’Alessandro& Rachel I. Wilson. Dopamine promotes head direction plasticity during orienting movements. Nature (2022). https://doi.org/10.1038/s41586-022-05485-4

Abstract
In neural networks that store information in their connection weights, there is a tradeoff between sensitivity

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How direct cortical inputs to hippocampal area CA1 transmit complementary signals for goal-directed navigation?

John C Bowler, Attila Losonczy. Direct Cortical Inputs to Hippocampal Area CA1 Transmit Complementary Signals for Goal-directed Navigation. bioRxiv 2022.11.10.516009; doi: https://doi.org/10.1101/2022.11.10.516009

Summary
“The entorhinal cortex (EC) is central to the brain’s navigation system. Its subregions are conventionally thought …

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How does the brain transform a head direction signal into a goal-oriented steering command?

Elena A. Westeinde, Emily Kellogg, Paul M. Dawson, Jenny Lu, Lydia Hamburg, Benjamin Midler, Shaul Druckmann, Rachel I. Wilson. Transforming a head direction signal into a goal-oriented steering command. bioRxiv 2022.11.10.516039; doi: https://doi.org/10.1101/2022.11.10.516039

Abstract
To navigate, we must

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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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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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