Alexander Pruss's Blog

Epiphenomenalists think that there are non-physical qualia that are causally inert: all causes are physical. The main reason epiphenomenalis...

Here’s a fun variant of the black-and-white Mary thought experiment. Mary has been brought up in a black-and-white environment, but knows al...

Take Jackson’s story about Mary who grows up in a black-and-white room, but learns all the science there is, including the physics and neuro...

I’ve often wondered what would happen if one wore color-remapping glasses. Would the brain adapt, and everything would soon start looking no...

This is going to be very speculative, and I doubt it yields an orthodox account of transsubstantiation, but since there is some chance that ...

I am inclined to think we are four-dimensional (or, more precisely, ( n +1)-dimensional, where n is whatever number of dimension...

Here's another data point towards a theory of perception. My son, 4, is colorblind (or color perception deficient or whatever...