Book excerpt: For much of the 20th century, unusual perceptions and sensations, radical alternations of consciousness, and other extraordinary subjective experiences were ignored as legitimate topics of study in mainstream psychology. Recent years, however, have witnessed a burgeoning interest in the scientific study of anomalous experiences. In this updated edition, the editors have invited experts to provide definitive reviews and analyses of a wide range of anomalous experiences, from commonly documented sensations and perceptions like synesthesia, lucid dreaming, out-of-body experiences, and auditory and visual hallucinations, to rarer and more seemingly inexplicable experiences, such as anomalous healing, past lives, near-death experiences, mystical experiences, and even alien abductions. The book makes a compelling case for the inclusion of these marginalized and underrecognized experiences as not merely incidental but essential to our understanding of human psychology. Book jacket.