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Lex Fridman Podcast

#208 – Jeff Hawkins: The Thousand Brains Theory of Intelligence

Aug 8, 2021
Join Jeff Hawkins, a leading neuroscientist and co-founder of Numenta, as he unveils the fascinating 'Thousand Brains Theory of Intelligence.' He discusses how our brains operate multiple modeling systems simultaneously, shaping our understanding of the world. Hawkins emphasizes the power of prediction in cognition and explores the complex relationship between human intelligence and machine learning. Additionally, he reflects on the philosophical implications of AI, love, and compassion, and what our legacy might mean for future civilizations.
02:25:58

Episode guests

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Quick takeaways

  • Neurons use dendritic spikes for internal predictions to react efficiently to incoming stimuli.
  • Cortical columns in the neocortex generate multiple models for collective perception.

Deep dives

Internal Predictions in Neurons

Most of the brain's predictions occur within individual neurons, specifically within dendritic spikes that internal neurons use to anticipate and prepare for external spikes. These predictions allow the brain to make accurate and timely responses to sensory input.

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