#1000 Karl Friston: The Free Energy Principle and Active Inference: From Physics to Mind

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RECORDED ON SEPTEMBER 18th 2024.
Dr. Karl Friston is Professor of Imaging Neuroscience and Wellcome Principal Research Fellow of Imaging Neuroscience at University College London. Dr. Friston is a theoretical neuroscientist and authority on brain imaging. He invented statistical parametric mapping (SPM), voxel-based morphometry (VBM) and dynamic causal modelling (DCM). His main contribution to theoretical neurobiology is a free-energy principle for action and perception. He is the author of several books, including Active Inference: The Free Energy Principle in Mind, Brain, and Behavior.

In this episode, we explore the Free Energy Principle, and how to go from physical systems to brains and cognition. We start by discussing what the Free Energy Principle is, the history behind its development, and concepts like Markov blankets, internal and external states, blanket states, circular causality, and autonomous states. We talk about the differences between living and non-living systems, and the existential imperative to reduce predicting error. We also discuss concepts like self-organization and hierarchy in nervous systems. We discuss what we can learn about the brain through neuroimaging, and how specialized the brain is. Finally, we talk about how we can integrate the microscopic aspects of brain physiology with a more abstract understanding of the mind, like what we have in psychiatry and psychology.

Time Links:
00:00 Intro
00:55 What is the Free Energy Principle?
19:29 Markov blankets, internal states, external states, blanket states
35:15 Causality
38:20 Autonomous states
40:55 The difference between a living system and a non-living system
57:42 The existential imperative to reduce prediction error
1:01:03 Self-organization (in nervous systems)
1:15:51 Hierarchy
1:28:04 Studying the brain through neuroimaging
1:44:54 Integrating brain physiology with psychiatry and psychology
2:04:31 Follow Dr. Friston’s work!
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#TheDissenter #KarlFriston #Neuroscience

[alexrobin]

Congratulations on 1000 episodes, Ricardo.

[RahulSam]

A thousand episodes! That's an amazing feat. There is no one better to have on this one. Great job, man.

[aminam]

By the way: What I mentioned earlier about something dirty and malicious being able to reach the top of the current irrational apes ' power pyramid is 100% true (the irrational apes are not a real humans at all “they don’t possess the main human characteristics “).
This planet of the apes (there’s no doubt about that), I have realised that since I was a little child.

[aminam]

1:01:45 the whole story revolves around that (replacing human thoughts about self concept with their irrational nonsense), they take human thoughts as a reference.

[aminam]

If future generations of humans are able to survive as intelligent, rational entities, then they will be able to know the past in all its details and will be forced to reclassify humans historically based on their mental abilities, their awareness of themselves and the working mechanism of their brains (the emergence of rational human entities).

[aminam]

They take human thoughts as a reference to build their nonsense.
They are not humans at all (they don’t possess the basic human characteristics).

[aminam]

Yeah, so special thief ! That accent!