Full Idea
Some philosophers doubt the coherence of the very idea of inverted or absent qualia.
Gist of Idea
Are inverted or absent qualia coherent ideas?
Source
Jaegwon Kim (Philosophy of Mind [1996], p.115)
Book Reference
Kim,Jaegwon: 'Philosophy of Mind' [Westview 1998], p.115
A Reaction
The possibility of inverted qualia with identical brain structures strikes me as nil, but it would be odd to deny that qualia could be changed by brain surgery, given that insects can see ultra-violet, and some people are colourblind.