timtyler comments on Would Your Real Preferences Please Stand Up? - Less Wrong
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Actually, it's funny you mention CAPTCHAs as your example. If you're going to go that far, why not also attribute skill at chess to the unconscious? After all, it's got to be the unconscious that screens out most of the several dozen possible chess moves each turn and lets your conscious concentrate on the few best, and you can generalize from chess to practically all matters of strategy. Or for that matter, how about language? All my knowledge of English grammar was purely unconscious until I started studying the subject in high school, and 99% of my grammar use still comes from there.
So the issue's not whether it can perform complex tasks. I don't know exactly what the issue is, but I think it connects to the concept of "personhood" somehow. I question whether the unconscious is more than a collection of very sophisticated mental modules, in the same way that a bird's brain may have a flight dynamics module, an astronomical navigation module, a mate-preference-analysis module, and so on.
The computing hardware of my brain contains a program for recognizing letters, a program that detects potential mates and responds with feelings of lust, a program that interacts with my reward system in such a way as to potentially create alcoholism, and so on. They're all computationally very impressive. But I don't see why I should assign them moral status any more than I would feel morally obligated to listen to a laptop on which I had installed a program that detected the presence of beautiful women nearby and then displayed the words "mate with this woman". I don't want to privilege these programs just because they happen to be located inside a human brain and they get reflected glory from some of the other things human brains can do.
To make me want to assign them moral status, you'd have to give me evidence that there was something that it felt like to be my lust. This seems kind of category-error-ish to me. I feel my lust, but my lust itself doesn't feel anything. You may feel sorry for me for having to deal with my lust, but feeling sorry for my lust because I don't choose to satisfy it is in my opinion a waste of sorrow. It's also an infinite regress. If I feel unhappy because I have unfulfilled desire, and my desire feels unhappy because it's unfulfilled, does my desire's unhappiness feel something? Why stop there?
I have a feeling this problem requires more rigor than I can throw at it right now. I've been trying to think about it more clearly so as to hopefully eventually get some top-level posts out of it, but this is the best I can do at the moment.
Re: I question whether the unconscious is more than a collection of very sophisticated mental modules, in the same way that a bird's brain may have a flight dynamics module, an astronomical navigation module, a mate-preference-analysis module, and so on.
...and what do you think your conscious mind is, then - if not a collection of sophisticated mental modules?
Wikipedia gives Fodor's list of eight characteristics of "mental modules", which include "domain specificity", "fast speed", "shallow output", "limited accessibility", "encapsulation", et cetera, and quotes someone else as saying the most important distinguishing feature is "cognitive impenetrability".
In other words, "module" has a special definition that doesn't mean exactly the same as "something in the mind". So when I "accuse" the unconscious of being "modules", all I'm saying is that it's a bunch of single-purpose unlinked programs, as opposed to the generic and unified programs that make up the conscious mind. This seems relevant since it makes it harder to accept the idea of the unconscious as a separate but equal person living inside your brain.
If there are other definitions of "module" that include anything in the mind, and you're using one of those, then yes, the conscious mind is a module or collection of modules as well.