Karl Friston

speaker
402 appearances 1 recordings 1 series first heard Sep 2025 last heard Sep 2025

Karl Friston’s voice in public audio — every appearance, attributed to the second.

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W Mark is the word palpate.
To feel is to palpate.
So what we're talking about is a gain.
something that is quintessentially inactive and agentic.
It's just agentic on the inside.
It's this mental action, action on the inside.
If you're a psychologist it would be called attention.
If you actually have to build in the spirit of Feynman a machine that has attention, hence my reference, um possibly um um disingenuous reference to attention heads.
Uh but Mark is re referring exactly now to um the the kind the precision um um
that could also that does the uh determines what things are selected for belief updating or committing to a particular policy in exactly the spirit that a psychologist would think about intentional selection.
So that gating, that coordination, it's all action on the inside.
It's all acting and it's all about palpating, palpating the confidence, the uncertainty.
And indeed, uh my favor one of my favorite phrases from Mark is felt uncertainty under eyes underrides qualitative experience.
This you're but it's an active feeling.
So again we come back to this this and the final point is that if you actually try to simulate um classical kinds of either economics games or reward games.
Learning games that evoke phasic dopamine responses and transfer from a conditioned to an unconditioned stimulus.
What you see is that the brain's evaluation
Of the precision.
of the distribution of all the policies I could take.
Seems to predict almost exactly dopamergic discharge.
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