To try everything Brilliant has to offer—free—for a full 30 days, visit http://brilliant.org/ArtemKirsanov/
The first 200 of you will get 20% off Brilliant’s annual premium subscription.
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
OUTLINE:
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 100, 490–509 (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 543, 719–722 (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.
CREDITS:
Special thanks to Crimson Ghoul for providing English subtitles!
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)
This video was sponsored by Brilliant