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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Neuromorphic Perception: Event-based Vision

Guillermo Gallego, Tobi Delbruck, Garrick Orchard, Chiara Bartolozzi, Brian Taba, Andrea Censi, Stefan Leutenegger, Andrew Davison, Jorg Conradt, Kostas Daniilidis, Davide Scaramuzza. Event-based Vision: A Survey. arXiv preprint arXiv:1904.08405 (2019).

Abstract: Event cameras are bio-inspired sensors that work radically

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Neuromorphic Stereo Vision for Biologically Plausible Robots

Lea Steffen, Daniel Reichard, Jakob Weinland, Jacques Kaiser, Arne Roennau and Rüdiger Dillmann. Neuromorphic Stereo Vision: a Survey of Bio-inspired Sensors and Algorithms. Front. Neurorobot. | doi: 10.3389/fnbot.2019.00028

Anstract: Any visual sensor, whether artificial or biological, maps the 3D-world …

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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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Visual navigation in insects and robots

Visual navigation in insects and robots by Barbara Webb, Professor of Biorobotics, University of Edinburgh. She will give a keynote talk at 11th Vision Researchers Colloquium, 8 July, led by Bristol Vision Institute, in partnership with the …

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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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ViTa-SLAM: Biologically-Inspired Visuo-Tactile SLAM

Struckmeier, Oliver, Kshitij Tiwari, Martin J. Pearson, and Ville Kyrki. “ViTa-SLAM: Biologically-Inspired Visuo-Tactile SLAM.” arXiv preprint arXiv:1904.05667 (2019).

Abstract— In this work, Struckmeier et al. propose a novel, bio-inspired multisensory SLAM approach called ViTa-SLAM. Compared to

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Attractor Dynamics and Embodiment of Neural Computing (Neuromorphic SLAM)

Yulia Sandamirskaya. Attractor Dynamics and Embodiment of Neural Computing. Presented at  Neuro Inspired Computational Elements Workshop (NICE 2019). 

Dr. Sandamirskaya talked about attractor dynamics and neuromorphic SLAM. The talks introduced head direction cells models based on neuromorphic hardware. How …

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Principles of insect path integration

Heinze, Stanley, Ajay Narendra, and Allen Cheung. “Principles of insect path integration.” Current Biology 28, no. 17 (2018): R1043-R1058.

Abstract
Continuously monitoring its position in space relative to a goal is one of the most essential tasks for …

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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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Two Compasses in the Central Complex of the Locust Brain

Pegel, Uta, Keram Pfeiffer, Frederick Zittrell, Christine Scholtyssek, and Uwe Homberg. “Two compasses in the central complex of the locust brain.” Journal of Neuroscience 39, no. 16 (2019): 3070-3080.

In the brain of the desert locust, neurons sensitive …

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