How does rat place cells encode 3D volumetric space?
Roddy M Grieves, Selim Jedidi-Ayoub, Karyna Mishchanchuk, Anyi Liu, Sophie Renaudineau, Kate J Jeffery. The place-cell representation of volumetric space in rats. bioRxiv 698175; doi: https://doi.org/10.1101/698175
Abstract
“Place cells are spatially modulated neurons found in the hippocampus that underlie …
How does the brain transform egocentric information into an allocentric spatial reference frame?
Patrick A. LaChance, Travis P. Todd, Jeffrey S. Taube. A sense of space in postrhinal cortex. Science 12 Jul 2019: Vol. 365, Issue 6449, eaax4192 DOI: 10.1126/science.aax4192
Abstract
“A topographic representation of local space is critical for navigation and …
How does the 3D neural compass work in the mouse brain?
Angelaki, Dora E., Julia Ng, Amada M. Abrego, Henry X. Cham, J. D. Dickman, and Jean Laurens. “A gravity-based three-dimensional compass in the mouse brain.” bioRxiv (2019): 570382.
Summary
“Head direction cells in the mammalian limbic system are …
Are there different kinds of head direction cells in the brain?
Dudchenko, Paul A., Emma R. Wood, and Anna Smith. “A new perspective on the head direction cell system and spatial behavior.” Neuroscience & Biobehavioral Reviews (2019).
Highlights
• Damage to the head direction circuit produces only modest impairments …
How the brain remembers where you’re heading to?
Kunz, Lukas, Liang Wang, Daniel Lachner-Piza, Hui Zhang, Armin Brandt, Matthias Dümpelmann, Peter C. Reinacher et al. “Hippocampal theta phases organize the reactivation of large-scale electrophysiological representations during goal-directed navigation.” Science Advances 5, no. 7 (2019): eaav8192.
Abstract
Humans are …
How hippocampus adds time to episodic memories?
Cox, Brittney M., Conor D. Cox, Benjamin G. Gunn, Aliza A. Le, Victoria C. Inshishian, Christine M. Gall, and Gary Lynch. “Acquisition of temporal order requires an intact CA3 commissural/associational (C/A) feedback system in mice.” Communications Biology 2, no. 1 …
How 3D vision neurons in insect brains compute 3D distance and direction?
Ronny Rosner, Joss von Hadeln, Ghaith Tarawneh & Jenny C. A. Read. A neuronal correlate of insect stereopsis. Nature Communications volume 10, Article number: 2845 (2019)
Abstract
A puzzle for neuroscience—and robotics—is how insects achieve surprisingly complex behaviours with …
How to implement 6DoF state estimation on 3D manifold based on neural dynamics?
State estimation in high dimensional space is a big challenge problem. Commonly, we use Lie group to implement 6DoF state estimation in 3D space. However, how does the brain implement path integration in 3D space based on neural dynamics?
Low …
How the brain controls movement in high dimensional space?
Gallego, Juan A., Matthew G. Perich, Lee E. Miller, and Sara A. Solla. “Neural manifolds for the control of movement.” Neuron 94, no. 5 (2017): 978-984.
Abstract
The analysis of neural dynamics in several brain cortices has consistently …
3D Grid Cell Visualisation Software
3D grid cell visualisation software was developed by Misun Kim at the Memory and Space Laboratory of Professor Eleanor Maguire, Wellcome Centre for Human Neuroimaging, University College London, London, UK.
This software has two main goals.
First, to visualize the …
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 …
How is three-dimensional space encoded in the brain?
We live in a three-dimensional world. Questions about how we perceive and represent the three-dimensional world that surrounds us have occupied humankind for centuries.
Some of Nachum Ulanovsky’s group main results in recent years included: the finding that in flight,…
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 …
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.…
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, …
About
Brain Inspired Navigation Blog
New discovery worth spreading on brain-inspired navigation in neurorobotics and neuroscience
Recent Posts
- How the Hippocampal Cognitive Map Supports Flexible Navigation?
- How the geometric structure and underlying circuit organization of hippocampal population dynamics facilitate both memory discrimination and generalization, enabling efficient and flexible learning?
- How hippocampal representations drift in stable multisensory environments?
- How visual objects refine head direction coding?
- How cooperative actions of interneuron families support the hippocampal spatial code?
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