Kaj_Sotala comments on The raw-experience dogma: Dissolving the “qualia” problem - Less Wrong

2 Post author: metaphysicist 16 September 2012 07:15PM

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Comment author: Kaj_Sotala 18 September 2012 09:58:33AM 0 points [-]

I suppose I'm using "materialism" in a slightly different way, then - to refer to a philosophy which claims that mental processes (but not necessarily qualia) are a subset of physical processes, and thus explainable by physics.

Comment author: RichardKennaway 18 September 2012 10:29:50AM 0 points [-]

I don't know what you mean by "mental". By what concept of "mental processes" are qualia not mental?

Comment author: Kaj_Sotala 18 September 2012 03:58:37PM 1 point [-]

I'm not even sure that I agree with this myself, and I realize that this is a bit of a circular definition, but let's try: mental processes are those which are actually physically occuring in the brain (while qualia seem to be something that's produced as a side-effect of the physical processes).

Comment author: RichardKennaway 18 September 2012 04:18:31PM 0 points [-]

mental processes are those which are actually physically occuring in the brain

That's like redefining "sensation" to mean "afferent neural signal", which is what necessitated inventing the word "qualia" to stand for what "sensation" used to mean. That one's a lost cause, but to use "mental process" to mean "the physical counterpart of what we used to call a mental process but we don't have a word for any more" is just throwing a crowbar into the discourse. Maybe we need a term for "the physical counterpart of a mental process" to distinguish them from other physical processes, but "mental process" can't be it.