The word consciousness has different meanings to people. Michael Graziano argues that the three major perspectives on – spiritual, hard problem, and self-model represent a progression in our understanding, with only framework able account for subjective experience.

I Consciousness has a number of puzzling features. One such feature is its unity: the experiences and other conscious states that one has at a particular time seem to occur together in a certain way. I am currently enjoying visual experiences of my computer screen, auditory experiences of bird-song, olfactory experiences of coffee, and tactile experiences of feeling the ground beneath my feet. ...

Physical science solved an age-old problem in the 19th century: what makes elements similar or dissimilar? Mendeleev generally is given credit for discovery of underlying structure chemical elements, known as periodic table. Like chemicals, qualia seem to share different relationships within a modality and between modalities. Wundt’s structuralism represents early effort build mind through data...