Shortform link:
https://shortform.com/artem
In this video we will explore a very interesting paper published in Nature in 2022, which describes the hidden torus in the neuronal activity of cells in the entorhinal cortex, known as grid cells.
Place cell video:
https://www.youtube.com/watch?v=iV-EMA5g288&t=158s
Neural manifolds video:
https://www.youtube.com/watch?v=QHj9uVmwA_0
My name is Artem, I'm a computational neuroscience student and researcher.
Socials:
Twitter: https://twitter.com/ArtemKRSV
Special thanks to Crimson Ghoul for providing English subtitles!
REFERENCES:
1.Gardner, R. J. et al. Toroidal topology of population activity in grid cells. Nature 602, 123–128 (2022).
2.Pisokas, I., Heinze, S. & Webb, B. The head direction circuit of two insect species. eLife 9, e53985 (2020).
3.Shilnikov, A. L. & Maurer, A. P. The Art of Grid Fields: Geometry of Neuronal Time. Front. Neural Circuits 10, (2016).
4.Moser, M.-B., Rowland, D. C. & Moser, E. I. Place Cells, Grid Cells, and Memory. Cold Spring Harb Perspect Biol 7, a021808 (2015).
5.Lewis, M., Purdy, S., Ahmad, S. & Hawkins, J. Locations in the Neocortex: A Theory of Sensorimotor Object Recognition Using Cortical Grid Cells. http://biorxiv.org/lookup/doi/10.1101/436352 (2018) doi:10.1101/436352.
OUTLINE:
00:00 Introduction
00:48 Shortform message
01:41 Disclaimer
02:32 Grid cells & modules
04:48 How data was acquired
05:38 Toroidal coordinates
06:40 Invariance of the torus
07:43 Continuous attractor network
08:10 Outro
CREDITS:
Footage of mouse running on a torus: Helmet and the Norwegian University of Science and Technology's Kavli Institute for Systems Neuroscience https://www.eurekalert.org/multimedia/814124
Thumbnail illustration: by Helmet and the Kavli Institute for Systems Neuroscience
Some video footage taken from: "Edvard and May-Britt Moser: A journey into entorhinal cortex" by NTNU University
(
https://www.youtube.com/watch?v=jYCR0pQLd_U )
Icons by https://biorender.com/
B-roll footage by https://www.pexels.com/
125.886 Lượt nghe
Video
