> "What is really going on if you are making a decision is that your brain is running a calculation, and while it is doing that, you do not know what the outcom

> "What is really going on if you are making a decision is that your brain is running a calculation, and while it is doing that, you do not know what the outcome of the calculation will be. ... So, the impression of free will comes from our self-awareness, that we think about what to do, combined with our inability to predict the result of that thinking before we’re done." What is the difference between "free will" and "the impression of free will"? That is, what does "free will" have that "the impression of free will" does not?