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 Originally Posted by boost
But even with the quirkiness of quarks, there is no obvious place to rest the claim that we exert agency over our decisions.
Quite the opposite.
The QM description of particles and their interactions and evolution applies to the particles which make a brain. That description would be different if agency mattered. The predicted probabilities would not be observed.
I.e. if QM predicts something in a brain will happen at X%, without invoking any agency of mind, then evidence of the mind having agency would be to observe anything other than X%. If the QM description is enough, which all current experiments fail to show evidence that it isn't, then the claim that we exert agency is on paper thin ice.
If we never observe any particle interactions which are not in line with the predicted "allowed" outcomes and their associated probabilities of QM, then what possible influence could we exert?
(Just for clarity, we commonly use the term allowed state in QM, but we have to be careful that we mean "allowed by the axioms of QM," and not "given permission.")
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