#99 – Karl Friston: Neuroscience and the Free Energy Principle

About this episode

<p>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.</p> <p>Support this podcast by signing up with these sponsors:<br /> – Cash App – use code &#8220;LexPodcast&#8221; and download:<br /> – Cash App (App Store):&#160;<a href="https://apple.co/2sPrUHe">https://apple.co/2sPrUHe</a><br /> – Cash App (Google Play):&#160;<a href="https://bit.ly/2MlvP5w">https://bit.ly/2MlvP5w</a></p> <p>EPISODE LINKS:<br /> Karl&#8217;s Website: <a href="https://www.fil.ion.ucl.ac.uk/~karl/">https://www.fil.ion.ucl.ac.uk/~karl/</a><br /> Karl&#8217;s Wiki: <a href="https://en.wikipedia.org/wiki/Karl_J._Friston">https://en.wikipedia.org/wiki/Karl_J._Friston</a></p> <p><span style="font-weight: 400;">This conversation is part of the Artificial Intelligence podcast.</span>&#160;If you would like to get more information about this podcast go to <a href="https://lexfridman.com/ai">https://lexfridman.com/ai</a> or connect with @lexfridman on <a href="https://twitter.com/lexfridman">Twitter</a>, <a href="https://www.linkedin.com/in/lexfridman/">LinkedIn</a>, <a href="https://www.facebook.com/lexfridman">Facebook</a>, <a href="https://medium.com/@lexfridman">Medium</a>, or <a href="https://www.youtube.com/lexfridman">YouTube</a> where you can watch the video versions of these conversations. If you enjoy the podcast, please rate it 5 stars on <a href="https://podcasts.apple.com/us/podcast/artificial-intelligence/id1434243584">Apple Podcasts</a>, follow on <a href="https://open.spotify.com/show/2MAi0BvDc6GTFvKFPXnkCL">Spotify</a>, or support it on <a href="https://www.patreon.com/lexfridman">Patreon</a>.</p> <p>Here&#8217;s the outline of the episode. On some podcast players you should be able to click the timestamp to jump to that time.</p> <p>OUTLINE:<br /> 00:00 &#8211; Introduction<br /> 01:50 &#8211; How much of the human brain do we understand?<br /> 05:53 &#8211; Most beautiful characteristic of the human brain<br /> 10:43 &#8211; Brain imaging<br /> 20:38 &#8211; Deep structure<br /> 21:23 &#8211; History of brain imaging<br /> 32:31 &#8211; Neuralink and brain-computer interfaces<br /> 43:05 &#8211; Free energy principle<br /> 1:24:29 &#8211; Meaning of life</p>