For me the real question is; what is sentience? I have the hunch that sentience is more of a concept or a quality rather than a physical (let alone metaphysical

For me the real question is; what is sentience? I have the hunch that sentience is more of a concept or a quality rather than a physical (let alone metaphysical) thing. Daniel Wegner once wrote a nice book about this, saying that we just feel sentient: http://mitpress.mit.edu/books/illusion-conscious-will http://mitpress.mit.edu/books/illusion-conscious-will