Category: Cognitive Navigation

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 …

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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 …

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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 …

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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

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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 …

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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

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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 …

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