Category: Cognitive Navigation

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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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 …

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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 …

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Hippocampal Contributions to Model-Based Planning and Spatial Memory

Vikbladh, Oliver M., Michael R. Meager, John King, Karen Blackmon, Orrin Devinsky, Daphna Shohamy, Neil Burgess, and Nathaniel D. Daw. “Hippocampal Contributions to Model-Based Planning and Spatial Memory.” Neuron (2019).

Highlights
• We tested planning and spatial memory …

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How the brain represents the semantic relations?

Yizhen Zhang, Kuan Han, Robert Worth, Zhongming Liu. Connecting Concepts in the Brain: Mapping Cortical Representations of Semantic Relations. doi: https://doi.org/10.1101/649939

In the brain, the semantic system is thought to store concepts. However, little is known about how it …

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