Cracking the code: neuronal networks in the brain
summary
Live recordings from freely moving animals use tetrode clusters and Neuropixels probes and calcium miniscope implants to read single neurons while behavior is tracked; C. elegans has 302 neurons and the open-source OpenWorm connectome runs in Lego robots that reproduce wall‑avoidance and exploration. Simulated neuromodulation (octopamine) yields few‑shot learning; Blue Brain spends €1.3 billion to model a tiny cortex slice (one third of a cubic millimeter, <1% synapses). Hippocampal place cells and grid‑cell ideas inform navigation algorithms that work on robots.
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chapters (8)
- 0:00Start
- 2:38Neuromodulator
- 4:56Cortical Column
- 6:01Determine the Transfer Function of the Neuron
- 13:54Behavioral Setups
- 16:16Spatial Navigation
- 18:29Google Deepmind
- 23:39We Will Soon Be Able To Create an Artificial Brain of a Small Animal
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