Standard objections to inverted spectrum scenarios involve complications arising from overnight inversion, including confusion, semantic adaptation, and amnesia

Although Block thinks “that these criticisms can be defeated on their own terms” (1990, 61), his “Inverted Earth” scenario is designed to sidestep them. (See Block 1990, 1996a, 2003.)[22] Instead of considering an “overnight” inversion and the consequent confusion, semantic adaptation and amnesia, your eyes are fitted with “color inverting lenses” and you are transported to another planet—Inverted Earth. This is a place just like Earth except that each object has “the complementary color of [