You're equating a conscious phenomenon with a material process. Even the most brazen materialist has to admit some kind of distinction between the two.
Sublata causa tollitur effectus. That's the way pleasure and pain usually work.
That looks like it means: "The underlying cause is the totality of the effect."
Sorry, I don't ask the solutions in my Erlenmeyer flasks if it hurts before I cook them.
Not that I'm trying to advance any particular theory of mind and body. I really have no idea where to go on such stuff.
My father taught me to believe in disembodied souls. On the other hand, the modern scientist in me is strongly prejudiced toward believing that all mental acts are strictly determined by physical processes in the nervous system. Then there's the ideas that come to me when I wake up in the morning and am still delirious. Where to go?