I don't understand what that means. Can you explain a bit more?
Well, it's what Westprog and I (at least) have been mentioning lately.
Simulations don't exist in objective physical reality (OPR) . The mechanism sustaining the simulation has real electro-physical processes going on in OPR, but you can't judge from that what's being simulated. Instead, you have be able to interpret whatever the physical output actually is (e.g., patterns of colored light, soundwaves) so your brain can imagine very precisely whatever's being simulated.
That's why we have to provide so much input to make it be very precise in how it displays the output -- binary printouts don't look like racecars to us.
But the simulation never makes water flow through a radiator.
Similarly, no matter how closely we perform a simulation of the brain, we'll never make any of those signature waves move through OPR, for example, because the thing we call the
simulation is an abstraction. No actual brain is operating in OPR, which is where the phenomenon of consciousness actually occurs, just as the phenomenon of spilling oil only actually occurs in OPR, even though they are different kinds of phenomena.
It's like the configuration of the abacus beads. It's only in our imagination that it "is" 1,234. The actual state of that computer system only "is" a simulation of a racecar (or a brain) because it makes us imagine a racecar.
So we certainly are not a simulation of what we believe we experience, because that cannot be real in OPR. We cannot
be an abstraction of something, because that would mean we literally are an instance of interpretation of a symbol system, which is not anything you'd confidently call "real".
We cannot actually be an abstration, so we cannot actually
be a simulation. If our universe turned out to be a machine running some kind of simulation, we'd have no way of knowing what it was.
But we could be a model in a very large bottle somewhere in some larger-dimensional universe. It would be all the same to us.