Category: Neural Basis of Navigation

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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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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Planning at decision time and in the background during spatial navigation

Pezzulo, Giovanni, Francesco Donnarumma, Domenico Maisto, and Ivilin Stoianov. “Planning at decision time and in the background during spatial navigation.” Current Opinion in Behavioral Sciences 29 (2019): 69-76.

Highlights
• Planning is the model-based approach to solving control …

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Heading direction with respect to a reference point modulates place-cell activity

Jercog, Pablo E., Yashar Ahmadian, Caitlin Woodruff, Rajeev Deb-Sen, Laurence F. Abbott, and Eric R. Kandel. “Heading direction with respect to a reference point modulates place-cell activity.” Nature Communications 10, Article number: 2333 (2019).

Abstract…

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The internal maps of insects

Webb, Barbara. “The internal maps of insects.” Journal of Experimental Biology 222, no. Suppl 1 (2019): jeb188094.

ABSTRACT

Insect navigation is strikingly geometric. Many species use path integration to maintain an accurate estimate of their distance and direction

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How ants navigate within their dark nest

Heyman, Y., Vilk, Y., & Feinerman, O. (2019). Ants use multiple spatial memories and chemical pointers to navigate their nest. iScience.

Highlights
• Heyman et al. combine multiple technologies to study how ants navigate within their dark nest

• …

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The Integration of Goal-Directed Signals onto Spatial Maps of Hippocampal Place Cells

Aoki, Yuki, Hideyoshi Igata, Yuji Ikegaya, and Takuya Sasaki. “The Integration of Goal-Directed Signals onto Spatial Maps of Hippocampal Place Cells.” Cell Reports 27, no. 5 (2019): 1516-1527.

Spatial firing of hippocampal place cells varies depending on the …

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Whether humans can navigate a sensory space informed only by odor cues and how the brain might internalize a representation of two-dimensional olfactory space

Xiaojun Bao, Eva Gjorgieva, Laura K. Shanahan, James D. Howard, Thorsten Kahnt, and Jay A. Gottfried. Grid-like Neural Representations Support Olfactory Navigation of a Two-Dimensional Odor Space. Neuron(2019), https://doi.org/10.1016/j.neuron.2019.03.034 

Grid cells in entorhinal cortex underlie spatial orientation and path …

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Whether the established neural signature of spatial memory and navigation – MTL theta oscillations – are also present during the retrieval of relational verbal memory

Solomon, Ethan A., Bradley C. Lega, Michael R. Sperling, and Michael J. Kahana. “Hippocampal theta codes for distances in semantic and temporal spaces.” bioRxiv (2019): 611681.

ABSTRACT

The medial temporal lobe (MTL) is known to support episodic memory …

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