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Karl Friston on the Perils of Investigations into Consciousness, Derealization, and the Free Energy Principle

Theories of Everything with Curt Jaimungal

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Variational free energy as a solution to intractable integration problem

The variational free energy was introduced as a solution to the intractable problem of computing or marginalizing extremely high dimensional probability distributions. This approach effectively converted the intractable integration problem into a tractable optimization problem by providing a bound on the marginal likelihood, thereby offering a clever solution to an otherwise non-realizable problem.

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