Category: Spatial Cognition

How is information about position, direction of motion, and speed represented in the hippocampus?

Stefanini, Fabio, Lyudmila Kushnir, Jessica C. Jimenez, Joshua H. Jennings, Nicholas I. Woods, Garret D. Stuber, Mazen A. Kheirbek, René Hen, and Stefano Fusi. “A distributed neural code in the dentate gyrus and in CA1.” Neuron (2020), Volume …

Be the First to comment. Read More

How do rodents execute efficient multi-step routes to goals in novel environments?

Philip Shamash, Sarah F. Olesen, Panagiota Iordanidou, Dario Campagner, Banerjee Nabhojit, Tiago Branco. Mice learn multi-step routes by memorizing subgoal locations. bioRxiv 2020.08.19.256867; doi: https://doi.org/10.1101/2020.08.19.256867

Abstract
Animals must rapidly gather spatial information about new environments so that they

Be the First to comment. Read More

How does the brain encode temporal context information about what happened in addition to when it happened?

Ian M. Bright, Miriam L. R. Meister, Nathanael A. Cruzado, Zoran Tiganj, Elizabeth A. Buffalo, Marc W. Howard. A temporal record of the past with a spectrum of time constants in the monkey entorhinal cortex. Proceedings of the National …

Be the First to comment. Read More

How is vectorial information encoded in spatial cognition?

Bicanski, A., Burgess, N. Neuronal vector coding in spatial cognition. Nat Rev Neurosci (2020). https://doi.org/10.1038/s41583-020-0336-9

Abstract
Several types of neurons involved in spatial navigation and memory encode the distance and direction (that is, the vector) between an agent

Be the First to comment. Read More

How can navigation in cluttered environments be supported by utilizing a combination of grid cell-driven vector navigation, place cell-driven topological navigation, and border cell-driven local obstacle avoidance?

Edvardsen, V, Bicanski, A, Burgess, N. Navigating with grid and place cells in cluttered environments. Hippocampus. 2020; 30: 220– 232. https://doi.org/10.1002/hipo.23147

Abstract
“Hippocampal formation contains several classes of neurons thought to be involved in navigational processes, in particular place …

Be the First to comment. Read More

How does the brain encode landmarks?

Fischer, Lukas, Raul Mojica Soto-Albors, Friederike Buck, and Mark Harnett. “Representation of Visual Landmarks in Retrosplenial Cortex.” eLife 2020;9:e51458 DOI: 10.7554/eLife.51458

Abstract
The process by which visual information is incorporated into the brain’s spatial framework to represent

Be the First to comment. Read More

How does the human brain encode egocentric (self-centered) spatial information?

Lukas Kunz, Armin Brandt, Peter C. Reinacher, Bernhard P. Staresina, Eric T. Reifenstein, Christoph T. Weidemann, Nora A. Herweg, Melina Tsitsiklis, Richard Kempter, Michael J. Kahana, Andreas Schulze-Bonhage, Joshua Jacobs. A neural code of egocentric spatial information in human medial

Be the First to comment. Read More

Egocentric boundary vector tuning of the retrosplenial cortex

Andrew S. Alexander, Lucas C. Carstensen, James R. Hinman, Florian Raudies, G. William Chapman and Michael E. Hasselmo. Egocentric boundary vector tuning of the retrosplenial cortex. SCIENCE ADVANCES21 FEB 2020 : EAAZ2322

Abstract
“The retrosplenial cortex is reciprocally connected …

Be the First to comment. Read More

How do the brain circuits work in encoding, retrieval and discrimination of episodic memories?

Hainmueller, T., Bartos, M. Dentate gyrus circuits for encoding, retrieval and discrimination of episodic memories. Nat Rev Neurosci (2020). https://doi.org/10.1038/s41583-019-0260-z

Abstract
The dentate gyrus (DG) has a key role in hippocampal memory formation. Intriguingly, DG lesions impair …

Be the First to comment. Read More

How do 3D place cells represent 3D volumetric space in rats?

Roddy M. Grieves, Selim Jedidi-Ayoub, Karyna Mishchanchuk, Anyi Liu, Sophie Renaudineau & Kate J. Jeffery. The place-cell representation of volumetric space in rats. Nat Commun 11, 789 (2020). https://doi.org/10.1038/s41467-020-14611-7

Abstract
“Place cells are spatially modulated neurons found in the …

Be the First to comment. Read More

How does the brain’s compass system work in insects and mammals?

Hulse, Brad K., and Vivek Jayaraman. “Mechanisms Underlying the Neural Computation of Head Direction.” Annual Review of Neuroscience 43 (2019).

Abstract

Many animals use an internal sense of direction to guide their movements through the world. …

Be the First to comment. Read More

How the 3D Head Orienting Movements are encoded in Primary Visual Cortex?

Grigori Guitchounts, Javier Alejandro Masis, Steffen B.E. Wolff, David Cox. Encoding of 3D Head Orienting Movements in Primary Visual Cortex. bioRxiv 2020.01.16.909473; doi: https://doi.org/10.1101/2020.01.16.909473

Abstract
Animals actively sample from the sensory world by generating complex patterns of movement

Be the First to comment. Read More

Whether speed and head direction signals provide invariant self-motion signals across environments or change their coding in response to metric changes to the environment

Munn, Robert GK, Caitlin S. Mallory, Kiah Hardcastle, Dane M. Chetkovich, and Lisa M. Giocomo. Entorhinal velocity signals reflect environmental geometry. Nat Neurosci (2020) doi:10.1038/s41593-019-0562-5

Abstract
“The entorhinal cortex contains neurons that represent self-location, including grid cells that fire …

Be the First to comment. Read More

How an ant navigates the desert?

Rüdiger Wehner. Desert Navigator: The Journey of an Ant [M]. Harvard University Press, 2020.

About the Book

“A world-renowned researcher of animal behavior reveals the extraordinary orienteering skills of desert ants, offering a thrilling account of the sophisticated ways insects

Be the First to comment. Read More

How the head direction circuit is integrated within the spatial navigation system?

Peyrache, Adrien, Adrian J. Duszkiewicz, Guillaume Viejo, and Sandybel Angeles-Duran. “Thalamocortical processing of the head-direction sense.” Progress in neurobiology (2019): 101693.

Abstract
“Our thoughts and sensations are examples of cognitive processes that emerge from the collective activity of …

Be the First to comment. Read More