#115 – Dileep George: Brain-Inspired AI
Lex Fridman Podcast
Lex Fridman
4.7 • 13.6K Ratings
🗓️ 14 August 2020
⏱️ 131 minutes
🧾️ Download transcript
Summary
Dileep George is a researcher at the intersection of neuroscience and artificial intelligence, co-founder of Vicarious, formerly co-founder of Numenta. From the early work on Hierarchical temporal memory to Recursive Cortical Networks to today, Dileep’s always sought to engineer intelligence that is closely inspired by the human brain.
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Here’s the outline of the episode. On some podcast players you should be able to click the timestamp to jump to that time.
OUTLINE:
0:00 – Introduction
4:50 – Building a model of the brain
17:11 – Visual cortex
27:50 – Probabilistic graphical models
31:35 – Encoding information in the brain
36:56 – Recursive Cortical Network
51:09 – Solving CAPTCHAs algorithmically
1:06:48 – Hype around brain-inspired AI
1:18:21 – How does the brain learn?
1:21:32 – Perception and cognition
1:25:43 – Open problems in brain-inspired AI
1:30:33 – GPT-3
1:40:41 – Memory
1:45:08 – Neuralink
1:51:32 – Consciousness
1:57:59 – Book recommendations
2:06:49 – Meaning of life
Transcript
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| 0:00.0 | The following is a conversation with Deliep George, a researcher at the intersection of neuroscience |
| 0:06.0 | and artificial intelligence, co-founder of Ecarius, Scott Phoenix, and formerly co-founder of Numenta, |
| 0:13.2 | with Jeff Hawkins, who has been on this podcast and Dana Dupinski. From his early work on |
| 0:20.0 | hierarchical temporal memory to recursive cortical networks to today, Deliep's always sought to |
| 0:26.0 | engineer intelligence that is closely inspired by the human brain. As a side note, I think we |
| 0:32.6 | understand very little about the fundamental principles underlying the function of the human brain, |
| 0:38.6 | but the little we do know gives hints that may be more useful for engineering intelligence than |
| 0:43.7 | any idea in mathematics, computer science, physics, and scientific fields outside of biology. |
| 0:50.2 | And so the brain is a kind of existence proof that says it's possible. Keep at it. |
| 0:56.0 | I should also say that brain-inspired AI is often overhyped and use this fodder, just this quantum |
| 1:02.5 | computing for marketing speak. But I'm not afraid of exploring these sometimes overhyped areas since |
| 1:10.2 | where there's smoke, there's sometimes fire. Quick summary of the ads. Three sponsors, |
| 1:16.4 | Babel, Raycon earbuds, and Masterclass. Please consider supporting this podcast by clicking |
| 1:22.4 | the special links in the description to get the discount. It really is the best way to support this |
| 1:27.8 | podcast. If you enjoy this thing, subscribe on YouTube, review the five stars and upper podcasts, |
| 1:33.6 | support on Patreon, connect with me on Twitter, and Lex Friedman. As usual, I'll do a few |
| 1:39.8 | minutes of ads now and never any ads in the middle that can break the flow of the conversation. |
| 1:45.2 | This show is sponsored by Babel, an app and website that gets you speaking in a new language within |
| 1:51.1 | weeks. Go to Babel.com and use code Lex to get three months free. They offer 14 languages, |
| 1:57.2 | including Spanish, French, Italian, German, and yes, Russian. Daily lessons are 10 to 15 minutes, |
| 2:05.2 | super easy, effective, designed by over 100 language experts. Let me read a few lines from the Russian |
| 2:12.7 | poem Nutch Ulytsa Fanai Abteca by Alexander Blok, that you'll start to understand if you sign up |
... |
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