Mar 31, 2023

How Your Brain Organizes Information

Posted by in categories: computing, mapping, neuroscience

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My name is Artem, I’m a computational neuroscience student and researcher. In this video we talk about cognitive maps – internal models of outside world that the brain to generate flexible behavior that is generalized across contexts.

Patreon: https://www.patreon.com/artemkirsanov.
Twitter: https://twitter.com/ArtemKRSV

00:00 — Introduction.
02:08 — Edward Tolman.
03:48 — Zoo of neurons in hippocampal formation.
06:40 — Non spatial mapping.
08:21 — Graph formalism.
12:21 — Latent spaces.
17:22 — Factorized representations.
21:51 — Summary.
24:47 — Brilliant.
26:19 — Outro.

REFERENCES (in no particular order):
1. Behrens, T. E. J. et al. What Is a Cognitive Map? Organizing Knowledge for Flexible Behavior. Neuron 100490–509 (2018).
2. Constantinescu, A. O., O’Reilly, J. X. & Behrens, T. E. J. Organizing conceptual knowledge in humans with a gridlike code. Science 352, 1464–1468 (2016).
3. Aronov, D., Nevers, R. & Tank, D. W. Mapping of a non-spatial dimension by the hippocampal–entorhinal circuit. Nature 543719–722 (2017).
4. Whittington, J. C. R., McCaffary, D., Bakermans, J. J. W. & Behrens, T. E. J. How to build a cognitive map. Nat Neurosci 25, 1257–1272 (2022).
5. Whittington, J., Muller, T., Mark, S., Barry, C. & Behrens, T. Generalisation of structural knowledge in the hippocampal-entorhinal system.

Icons by biorender.com and freepik.com.
Brain 3D models were created with Blender software using publicly available BrainGlobe atlases (https://brainglobe.info/atlas-api)

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