Full Idea
Mind-brain reductions are less explanatory than characteristic reductions in other areas of science, ...because phenomenal concepts have no special associations with causal roles.
Gist of Idea
Mind-brain reduction is less explanatory, because phenomenal concepts lack causal roles
Source
David Papineau (Thinking about Consciousness [2002], 5.3)
Book Reference
Papineau,David: 'Thinking about Consciousness' [OUP 2004], p.147
A Reaction
This may always have some truth in it, but I would expect reductive accounts in the far future to get much closer to giving explanations of phenomenal experience. We can't work down from the phenomenal end, but we can work up from the physical/causal end.