Updated and revised, the highly-anticipated second edition of The Blackwell Companion to Consciousness offers a collection of readings that together represent the most thorough and comprehensive survey of the nature of consciousness available today. * Features updates to scientific chapters reflecting the latest research in the field * Includes 18 new theoretical, empirical, and methodological chapters covering integrated information theory, renewed interest in panpsychism, and more * Covers a wide array of topics that include the origins and extent of consciousness, various consciousness experiences such as meditation and drug-induced states, and the neuroscience of consciousness * Presents 54 peer-reviewed chapters written by leading experts in the study of consciousness, from across a variety of academic disciplines.