Category: Neural Basis of Navigation

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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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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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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How hippocampal neurons with object-anchored firing fields contribute to homing based on path integration in navigation?

Maryam Najafian Jazi, Adrian Tymorek, Ting Yung Yen, Felix Jose Kavarayil, Moritz Stingl, Sherman Richard Chau, Benay Baskurt, Celia Garcia Vilela, Kevin Allen. Hippocampal firing fields anchored to a moving object predict homing direction during path-integration-based behavior. bioRxiv 2022.09.30.510268; doi: …

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How specific firing patterns and oscillatory dynamics in the entorhinal cortex and hippocampus can support both navigation and memory?

Buzsáki, G., Moser, E. Memory, navigation and theta rhythm in the hippocampal-entorhinal systemNat Neurosci 16, 130–138 (2013). https://doi.org/10.1038/nn.3304

Abstract
“Theories on the functions of the hippocampal system are based largely on two fundamental discoveries: the amnestic consequences …

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Howretrohippocampal neurons encode location through ramping activity?

Tennant, Sarah A., Harry Clark, Ian Hawes, Wing Kin Tam, Junji Hua, Wannan Yang, Klara Z. Gerlei, Emma R. Wood, and Matthew F. Nolan. “Spatial representation by ramping activity of neurons in the retrohippocampal cortex.” Current Biology, September

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How temporal information is represented and used during prospective and retrospective timing?

Tsao, A., Yousefzadeh, S.A., Meck, W.H. et al. The neural bases for timing of durationsNat Rev Neurosci (2022). https://doi.org/10.1038/s41583-022-00623-3

Abstract
Durations are defined by a beginning and an end, and a major distinction is drawn between durations

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How hippocampal astrocytes encode reward location?

Adi Doron, Alon Rubin, Aviya Benmelech-Chovav, Netai Benaim, Tom Carmi, Ron Refaeli, Nechama Novick, Tirzah Kreisel, Yaniv Ziv & Inbal Goshen. Hippocampal astrocytes encode reward location. Nature (2022). https://doi.org/10.1038/s41586-022-05146-6

Abstract
“Astrocytic calcium dynamics has been implicated in the encoding …

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How brain hippocampal circuits represent switches between diferent behaviours rapidly and flexibility?

Ayelet Sarel, Shaked Palgi, Dan Blum, Johnatan Aljadeff, Liora Las & Nachum Ulanovsky. Natural switches in behaviour rapidly modulate hippocampal coding. Nature (2022). https://doi.org/10.1038/s41586-022-05112-2

Abstract
Throughout their daily lives, animals and humans often switch between different behaviours. …

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How does the brain process coordinated head direction representations in mouse anterodorsal thalamic nucleus and retrosplenial cortex?

Marie-Sophie H van der Goes, Jakob Voigts, Jonathan P Newman, Enrique H S Toloza, Norma J Brown, Pranav Murugan, Mark T Harnett. Coordinated Head Direction Representations in Mouse Anterodorsal Thalamic Nucleus and Retrosplenial Cortex. bioRxiv 2022.08.20.504604; doi: https://doi.org/10.1101/2022.08.20.504604

Abstract…

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How hippocampal CA2 processes spatial novelty?

Bhasin, Guncha, and Indrajith R. Nair. “Dynamic hippocampal CA2 responses to contextual spatial novelty.” Frontiers in Systems Neuroscience: 79, 2022

Abstract

“Hippocampal place cells are functional units of spatial navigation and are present in all subregions: CA1, CA2, …

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Where and how odor and wind cues are integrated to support wind-guided olfactory navigation?

Andrew M. M. Matheson, Aaron J. Lanz, Ashley M. Medina, Al M. Licata, Timothy A. Currier, Mubarak H. Syed & Katherine I. Nagel. A neural circuit for wind-guided olfactory navigation. Nat Commun 13, 4613 (2022). https://doi.org/10.1038/s41467-022-32247-7

Abstract
To

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