Category: Cognitive Navigation

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. …

Be the First to comment. Read More

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

Be the First to comment. Read More

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

Be the First to comment. Read More

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

Be the First to comment. Read More

How do grid-cell modules remain coordinated when neural activity is dissociated from external sensory cues?

Torgeir Waaga, Haggai Agmon, Valentin A. Normand, Anne Nagelhus, Richard J. Gardner, May-Britt Moser, Edvard I. Moser, Yoram Burak. Grid-cell modules remain coordinated when neural activity is dissociated from external sensory cues, Neuron, 2022, https://doi.org/10.1016/j.neuron.2022.03.011.

Summary
The representation

Be the First to comment. Read More

How do freely flying bats keep a stable hippocampal code for navigation in changing environments?

William A. Liberti III, Tobias A. Schmid, Angelo Forli, Madeleine Snyder & Michael M. Yartsev. A stable hippocampal code in freely flying bats. Nature (2022). https://doi.org/10.1038/s41586-022-04560-0

Abstract
“Neural activity in the hippocampus is known to reflect how animals move …

Be the First to comment. Read More

How population-level heading responses are aligned to visual input?

Kevin K. Sit, Michael J. Goard. Coregistration of heading to visual cues in retrosplenial cortex. bioRxiv 2022.03.25.485865; doi: https://doi.org/10.1101/2022.03.25.485865

Abstract
“Spatial cognition depends on an accurate representation of orientation within an environment. Head direction cells in distributed brain regions

Be the First to comment. Read More

How the primary visual cortex encodes stable 3D head direction signals?

Grigori Guitchounts, William Lotter, Joel Dapello, David Cox. Stable 3D Head Direction Signals in the Primary Visual Cortex. bioRxiv 2020.09.04.283762; doi: https://doi.org/10.1101/2020.09.04.283762

Abstract
Visual signals influence the brain’s computation of spatial position and orientation. Accordingly, the primary …

Be the First to comment. Read More

How rodents from different habitats cope with three-dimensional environments?

Hagbi Z, Eilam D (2022) On heights and plains: How rodents from different habitats cope with three-dimensional environments? PLoS ONE 17(3): e0265176. https://doi.org/10.1371/journal.pone.0265176

Abstract
“Dwelling in a specific habitat requires adaptation to the habitat physical and biological properties in order …

Be the First to comment. Read More

How do hippocampal neurons contribute to memorizing and utilizing information acquired through social observations and interactions?

Mou, Xiang, Abhishekh Pokhrel, Prakul Suresh, and Daoyun Ji. “Observational learning promotes hippocampal remote awake replay toward future reward locations.” Neuron, Volume 110, Issue 5, 2 March 2022, Pages 891-902.e7

Summary
The neural circuit mechanisms underlying observational

Be the First to comment. Read More

How are visual landmarks integrated into a framework that supports the neural encoding of landmark- based orientation?

LaChance PA, Graham J, Shapiro BL, Morris AJ, Taube JS. Landmark-modulated directional coding in postrhinal cortex. Science Advances 2022 Jan 28;8(4):eabg8404. doi: 10.1126/sciadv.abg8404.

Abstract
Visual landmarks can anchor an animal’s internal sense of orientation to the external world

Be the First to comment. Read More

How do hippocampal replays adapt to spatial contingency changes?

John Widloski, David J. Foster. Flexible rerouting of hippocampal replay sequences around changing barriers in the absence of global place field remapping. Neuron, 2022, 110, 1–12.

Summary
“Flexibility is a hallmark of memories that depend on the hippocampus. For

Be the First to comment. Read More

How are hippocampal cognitive maps used and updated flexibly for inference?

Mona M. Garvert, Tankred Saanum, Eric Schulz, Nicolas W. Schuck, Christian F. Doeller. Hippocampal spatio-temporal cognitive maps adaptively guide reward generalization. bioRxiv 2021.10.22.465012; doi: https://doi.org/10.1101/2021.10.22.465012

ABSTRACT
The brain forms cognitive maps of relational knowledge, an organizing principle thought

Be the First to comment. Read More

Whether are some head direction cells sensitive to magnetic direction in a migratory bird ?

Takahashi, Susumu, Takumi Hombe, Sakiko Matsumoto, Kaoru Ide, and Ken Yoda. “Head direction cells in a migratory bird prefer north.” Science Advances 8, no. 5 (2022): eabl6848.

Abstract
“Animals exhibit remarkable navigation abilities as if they have an …

Be the First to comment. Read More

How information about spatial landmarks and movement is encoded in the first stage of the hippocampus, the dentate gyrus?

Sebnem N. Tuncdemir, Andres D. Grosmark, Gergely F. Turi, Amei Shank, John C. Bowler, Gokhan Ordek, Attila Losonczy, Rene Hen, Clay O. Lacefield. Parallel processing of sensory cue and spatial information in the dentate gyrus. Cell Reports, Volume 38, …

Be the First to comment. Read More