#99 – Karl Friston: Neuroscience and the Free Energy Principle
Lex Fridman Podcast
Lex Fridman
4.7 • 13.6K Ratings
🗓️ 28 May 2020
⏱️ 89 minutes
🧾️ Download transcript
Summary
Karl Friston is one of the greatest neuroscientists in history, cited over 245,000 times, known for many influential ideas in brain imaging, neuroscience, and theoretical neurobiology, including the fascinating idea of the free-energy principle for action and perception.
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EPISODE LINKS:
Karl’s Website: https://www.fil.ion.ucl.ac.uk/~karl/
Karl’s Wiki: https://en.wikipedia.org/wiki/Karl_J._Friston
This conversation is part of the Artificial Intelligence podcast. If you would like to get more information about this podcast go to https://lexfridman.com/ai or connect with @lexfridman on Twitter, LinkedIn, Facebook, Medium, or YouTube where you can watch the video versions of these conversations. If you enjoy the podcast, please rate it 5 stars on Apple Podcasts, follow on Spotify, or support it on Patreon.
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:
00:00 – Introduction
01:50 – How much of the human brain do we understand?
05:53 – Most beautiful characteristic of the human brain
10:43 – Brain imaging
20:38 – Deep structure
21:23 – History of brain imaging
32:31 – Neuralink and brain-computer interfaces
43:05 – Free energy principle
1:24:29 – Meaning of life
Transcript
Click on a timestamp to play from that location
| 0:00.0 | The following is a conversation with Carl Friston, one of the greatest neuroscientists in history. |
| 0:07.0 | Sighted over 245,000 times known for many influential ideas in brain imaging, neuroscience, |
| 0:14.5 | and theoretical neurobiology, including especially the fascinating idea of the free energy |
| 0:20.6 | principle for action and perception. |
| 0:24.3 | Carl's mix of humor, brilliance, and kindness to me are inspiring and captivating. |
| 0:31.3 | This was a huge honor and a pleasure. |
| 0:34.3 | This is the Artificial Intelligence Podcast. |
| 0:36.4 | If you enjoy it, subscribe on YouTube, review it with 5 stars and upper podcasts, support |
| 0:41.6 | on Patreon, or simply connect with me on Twitter. |
| 0:44.8 | Alex Friedman spelled the FRID MAM. |
| 0:48.2 | As usual, I'll do a few minutes of ads now and never any ads in the middle that can |
| 0:52.2 | break the flow of the conversation. |
| 0:54.2 | I hope that works for you and doesn't hurt the listening experience. |
| 0:58.8 | This show is presented by CashApp. |
| 1:00.9 | The number one finance app in the App Store, when you get it, use code LEXpodcast. |
| 1:06.3 | CashApp lets you send money to friends by Bitcoin and invest in the stock market with |
| 1:10.8 | as little as $1. |
| 1:13.0 | Since CashApp allows you to send and receive money digitally, let me mention a surprising |
| 1:17.6 | fact related to physical money. |
| 1:20.2 | Of all the currency in the world, roughly 8% of it is actual physical money. |
| 1:25.8 | The other 92% of money only exists digitally. |
| 1:30.0 | So again, if you get CashApp from the App Store, Google Play, and use the code LEXpodcast, |
... |
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