Category: Neural Basis of Navigation

Whether entorhinal velocity signals are equally influenced or provide a universal metric for self-motion across environments?

Munn, Robert GK, Caitlin S. Mallory, Kiah Hardcastle, Dane M. Chetkovich, and Lisa M. Giocomo. “Entorhinal velocity signals reflect environmental geometry.” bioRxiv (2019): 671222. doi: https://doi.org/10.1101/671222

Summary
The entorhinal cortex contains neural signals for representing self-location, including grid

Be the First to comment. Read More

How Does the Brain Solve the Computational Problems of Spatial Navigation?

Widloski, John, and Ila Fiete. “How does the brain solve the computational problems of spatial navigation?.” In Space, Time and Memory in the Hippocampal Formation, pp. 373-407. Springer, Vienna, 2014.

Abstract
Flexible navigation in the real world involves …

Be the First to comment. Read More

How are grid cells organized in the MEC?

Gu, Yi, Sam Lewallen, Amina A. Kinkhabwala, Cristina Domnisoru, Kijung Yoon, Jeffrey L. Gauthier, Ila R. Fiete, and David W. Tank. “A map-like micro-organization of grid cells in the medial entorhinal cortex.” Cell 175, no. 3 (2018): 736-750.

Be the First to comment. Read More

How does environmental geometry influence human spatial cognition?

Jacob L. S. Bellmund, William de Cothi, Tom A. Ruiter, Matthias Nau, Caswell Barry, Christian F. Doeller. Deforming the metric of cognitive maps distorts memory. bioRxiv 391201; doi: https://doi.org/10.1101/391201

Abstract

Environmental boundaries anchor cognitive maps that support memory. However, …

Be the First to comment. Read More

How is the retrosplenial cortex uniquely suited to carry out spatial memory and navigation computations?

Ellen K.W. Brennan, Shyam Kumar Sudhakar, Izabela Jedrasiak-Cape, Omar J. Ahmed. Uniquely excitable neurons enable precise and persistent information transmission through the retrosplenial cortex. doi: https://doi.org/10.1101/673954

ABSTRACT

The retrosplenial cortex (RSC) is essential for both memory and

Be the First to comment. Read More

How do our brains extract geometric information from retinal images?

Henriksson, Linda, Marieke Mur, and Nikolaus Kriegeskorte. “Rapid invariant encoding of scene layout in human OPA.” Neuron (2019).

In Brief

Environmental boundaries, such as walls,define the geometry of the local environment. How do our brains extract this information

Be the First to comment. Read More

How is information about location, direction, and distance integrated in the grid cell network?

Sargolini, Francesca, Marianne Fyhn, Torkel Hafting, Bruce L. McNaughton, Menno P. Witter, May-Britt Moser, and Edvard I. Moser. “Conjunctive representation of position, direction, and velocity in entorhinal cortex.” Science 312, no. 5774 (2006): 758-762.

Abstract
Grid cells in …

Be the First to comment. Read More

Whether entorhinal velocity signals are equally influenced or provide a universal metric for self-motion across environments?

Robert G K Munn, Caitlin S Mallory, Kiah Hardcastle, Dane M Chetkovich, Lisa M Giocomo. Entorhinal velocity signals reflect environmental geometry. bioRxiv 671222; doi: https://doi.org/10.1101/671222

Summary
The entorhinal cortex contains neural signals for representing self-location, including grid cells that …

Be the First to comment. Read More

How the brain consolidates spatial memories?

Patai, E. Zita, Amir-Homayoun Javadi, Jason D. Ozubko, Andrew O’Callaghan, Shuman Ji, Jessica Robin, Cheryl Grady et al. “Hippocampal and Retrosplenial Goal Distance Coding After Long-term Consolidation of a Real-World Environment.” Cerebral Cortex (2019).

Abstract
Recent research indicates …

Be the First to comment. Read More

Why do the typical boundaries in natural scenes affect spatial cognition differently from the non-boundaries in natural scenes?

James Negen, Angela Sandri, Sang Ah Lee, Marko Nardini. Boundaries in Spatial Cognition: Looking like a Boundary is More Important than Being a Boundary. June 12, 2019. doi: https://doi.org/10.1101/391037

Abstract

Large walls and other typical boundaries strongly influence neural activity

Be the First to comment. Read More

How the sensory environmental information and the self-motion information influence on place and grid cell firing?

Chen, Guifen, Yi Lu, John A. King, Francesca Cacucci, and Neil Burgess. “Differential influences of environment and self-motion on place and grid cell firing.” Nature communications 10, no. 1 (2019): 630.

Abstract

Place and grid cells in the hippocampal formation …

Be the First to comment. Read More

How does the brain achieve variable neuronal activity?

Johnston, W. Jeffrey, Stephanie E. Palmer, and David J. Freedman. “Nonlinear mixed selectivity supports reliable neural computation.” bioRxiv (2019): 577288.

Summary
Neuronal activity in the brain is variable, yet both perception and behavior are generally reliable. How does the brain

Be the First to comment. Read More

Anticipatory Neural Activity Improves the Decoding Accuracy for Dynamic Head-Direction Signals

Zirkelbach, Johannes, Martin Stemmler, and Andreas VM Herz. “Anticipatory neural activity improves the decoding accuracy for dynamic head-direction signals.” Journal of Neuroscience (2019): 2605-18.

Abstract
Insects and vertebrates harbor specific neurons that encode the animal’s head direction (HD) and provide …

Be the First to comment. Read More

Optimal dynamic coding by mixed-dimensionality neurons in the head-direction system of bats

Finkelstein, Arseny, Nachum Ulanovsky, Misha Tsodyks, and Johnatan Aljadeff. “Optimal dynamic coding by mixed-dimensionality neurons in the head-direction system of bats.” Nature communications 9, no. 1 (2018): 3590.

Abstract:

Ethologically relevant stimuli are often multidimensional. In many brain …

Be the First to comment. Read More

Neural dynamics indicate parallel integration of environmental and self-motion information by place and grid cells

Laptev, Dmitri, and Neil Burgess. “Neural dynamics indicate parallel integration of environmental and self-motion information by place and grid cells.” bioRxiv (2019): 640144.

Abstract
Place cells and grid cells in the hippocampal formation are thought to integrate sensory …

Be the First to comment. Read More