Category: Neural Basis of Navigation

Whether dendritic calcium spikes in the hippocampus could also help the brain to update its map of the world?

Aaron D Milstein, Yiding Li, Katie C Bittner, Christine Grienberger, Ivan Soltesz, Jeffrey C Magee, Sandro Romani. Bidirectional synaptic plasticity rapidly modifies hippocampal representations. eLife 2021;10:e73046 DOI: 10.7554/eLife.73046
Abstract
“Learning requires neural adaptations thought to be mediated by activity-dependent …

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How does the retina construct the distinct neural representations required for diverse behaviors?

Mathew T. Summers, Marla B. Feller. Distinct Inhibitory Pathways Control Velocity and Directional Tuning in the Retina. bioRxiv 2022.01.13.476257; doi: https://doi.org/10.1101/2022.01.13.476257

Abstract
“The sensory periphery is responsible for detecting ethologically relevant features of the external world, using compact, predominantly …

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How does the brain implement planning?

Marcelo G. Mattar, Máté Lengyel. Planning in the brain. Neuron, 2022, https://doi.org/10.1016/j.neuron.2021.12.018.

Summary
“Recent breakthroughs in artificial intelligence (AI) have enabled machines to plan in tasks previously thought to be uniquely human. Meanwhile, the planning algorithms implemented by the

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What is the principle of the functional circuit interactions between LEC and the hippocampus?

Olesia M Bilash, Spyridon Chavlis, Panayiota Poirazi, Jayeeta Basu. Lateral entorhinal cortex inputs modulate hippocampal dendritic excitability by recruiting a local disinhibitory microcircuit. bioRxiv 2022.01.13.476247; doi: https://doi.org/10.1101/2022.01.13.476247

Abstract
The lateral entorhinal cortex (LEC) provides information about multi-sensory environmental

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How does the mammalian brain represent goal locations?

Nils Nyberg, Éléonore Duvelle, Caswell Barry, Hugo J. Spiers. Spatial goal coding in the hippocampal formation. Neuron, January 14, 2022. DOI:https://doi.org/10.1016/j.neuron.2021.12.012

Summary
“The mammalian hippocampal formation contains several distinct populations of neurons involved in representing self-position and orientation. These …

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How the brain uses diverse sensory information to generate a stable directional representation of space?

Kadjita Asumbisa, Adrien Peyrache, Stuart Trenholm. Flexible cue anchoring strategies enable stable head direction coding in both sighted and blind animalsdoi: https://doi.org/10.1101/2022.01.12.476111

Abstract
Vision plays a crucial role in instructing the brain’s spatial navigation systems

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How velocity cues with time-varying reliabilities are integrated into an evolving position estimate over prolonged time periods, and how the brain builds internal models inferring when cues ought to be integrated versus segregated?

Jean-Paul Noel and Dora E. Angelaki. Cognitive, Systems, and Computational Neurosciences of the Self in Motion. Annual Review of Psychology. Vol. 73:103-129 (Volume publication date January 2022).  https://doi.org/10.1146/annurev-psych-021021-103038

Abstract
Navigating by path integration requires continuously estimating one’s self-motion.

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