Jeff Hawkins on Object Modeling in the Thousand Brains Theory (Part Two) - September 9, 2021
Channel: Numenta
Date: 20/09/2021

In continuation to last week’s meeting, Jeff first shares his new ideas about voting. We used to think that voting between cortical columns only communicates object ID of the things you attend to, but now he hypothesizes that at a minimum, voting communicates object ID, object state and location / orientation relative to body.
 
Jeff then describes what a model (created by cortical columns) is and the characteristics of a model introduced in our previous papers. As our knowledge continues to expand, our understanding of what a model is has also evolved. We used to think that models in a column were based on grid cell metric reference frames, but now we deduce that vector cells are involved too. We hypothesize that models are represented using vector cell modules, not grid cell modules as we previously thought. And grid cell reference frames are used in determining movement from one location to another. The team then asks questions and discusses.
 
➤  Columns paper: https://numenta.com/neuroscience-research/research-publications/papers/a-theory-of-how-columns-in-the-neocortex-enable-learning-the-structure-of-the-world/
➤  Frameworks Paper: https://numenta.com/neuroscience-research/research-publications/papers/a-framework-for-intelligence-and-cortical-function-based-on-grid-cells-in-the-neocortex/
 
Other papers mentioned:
➤  “Neuronal vector coding in spatial cognition”: https://www.nature.com/articles/s41583-020-0336-9
➤  “Population coding of saccadic eye movements by neurons in the superior colliculus”: https://www.nature.com/articles/332357a0
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