Can neurophysiology ever reveal to us what it is like to smell a skunk or to experience pain? In what does the feeling of happiness consist? How is it that changes in the white and gray matter composing our brains generate subjective sensations and feelings? These are several of the questions that Michael Tye addresses, while formulating a new and enlightening theory about the phenomenal "what it feels like" aspect of consciousness. The test of any such theory, according to Tye, lies in how well it handles ten critical problems of consciousness.

Tye argues that all experiences and...