Mar 14, 2023

Your brain is moving along the surface of the torus 🤯

Posted by in categories: computing, neuroscience


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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.
Twitter: https://twitter.com/ArtemKRSV

1. Gardner, R. J. et al. Toroidal topology of population activity in grid cells. Nature 602123–128 (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.

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