Yes inkriminator, it is possible that quantum randomness has effects inside your brain...the current scientific attitude is that they don't but it remains a possibility.
But when you think about it, does having RANDOM events occuring in your brain really have any positive effect towards giving you free will? How is that really any different from being entirely deterministic? Your brain is still following the laws of physics, and "you" do not get to make any choice about what the outcome is.
I don't believe in "free will" in the naieve sense of the word. At no time does anything in our brains defy the physical laws. So we lack "free will" in the mystical sense.
But in a deeper sense you have to see that free will does exist. "you" must always be held responsible for your actions. You can't plead innocent to a murder charge on the basis that "my brain caused it....I was a victim of the laws of physics!"
No, what is called for is a stronger definiton of "the self". You have to realise that you are not "under control" of some massively complex algorithm being excecuted on the hardware of your brain...you ARE that massively complex algorithm!
That massively complex algorithm makes "decisions", which in turn causes your body to move. This is what "you" are, and in this sense you have free will...yet all the time being under control of the (deterministic?) laws of physics.
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