To steelman the popcorn objection, one could say that separating "normal" computations from popcorn shaking requires at least certain sorts of conditions on what counts as a valid interpretation, and such conditions increase the arbitrariness of the theory. Of course, if we adopt a complexity-of-value approach to moral value (as I and probably you think we should), then those conditions on what counts as a computation may be minimal compared with the other forms of arbitrariness we bring to bear.
I haven't read Principia Qualia and so can't comment competently, but I agree that symmetry seems like not the kind of thing I'm looking for when assessing the moral importance of a physical system, or at least it's not more than one small part of what I'm looking for. Most of what I care about is at the level of ordinary cognitive science, such as mental representations, behaviors, learning, preferences, introspective abilities, etc.
That said, I do think theories like IIT are at least slightly useful insofar as they expand our vocabulary and provide additional metrics that we might care a little bit about.
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I agree a good theory of qualia should help generalize our preferences about central cases. I disagree that we can get there with the assumption that qualia are intrinsically vague/ineffable. My critique of analytic functionalism is that it is essentially nothing but an assertion of this vagueness.
Without a bijective mapping between physical states/processes and computational states/processes, I think my point holds. I understand it's counterintuitive, but we should expect that when working in these contexts.
Correct; they're the sorts of things a theory of qualia should be able to address- necessary, not sufficient.
Re: your comments on the Symmetry Theory of Valence, I feel I have the advantage here since you haven't read the work. Specifically, it feels as though you're pattern-matching me to IIT and channeling Scott Aaronson's critique of Tononi, which is a bit ironic since that forms a significant part of PQ's argument why an IIT-type approach can't work.
At any rate I'd be happy to address specific criticism of my work. This is obviously a complicated topic and informed external criticism is always helpful. At the same time, I think it's a bit tangential to my critique about FRI's approach: as I noted,
That's no reason to believe that analytic functionalism is wrong, only that it is not sufficient by itself to answer very many interesting questions.
No, it doesn't. I only claim that most physical states/processes have only a very limited collection of computational states/processes that it can reasonably be interpreted as, not that every physical state/process has exactly one computational state/process that it can reasonably be interpreted as, and certainly not that every computational state/process has exactly one physical state/process that can reasonably be interpreted as it. Those are totally different things.
Kind of. But to clarify, I wasn't trying to argue that there will be problems with the Symmetry Theory of Valence that derive from problems with IIT. And when I heard about IIT, I figured that there were probably trivial counterexamples to the claim that Phi measures consciousness and that perhaps I could come up with one if I thought about the formula enough, before Scott Aaronson wrote the blog post where he demonstrated this. So although I used that critique of IIT as an example, I was mainly going off of intuitions I had prior to it. I can see why this kind of very general criticism from someone who hasn't read the details could be frustrating, but I don't expect I'll look into it enough to say anything much more specific.
But people have tried developing alternatives to analytic functionalism.