The essays in this volume 9 of a series inform readers of the present status of leading issues in parapsychology, or psi research. The authors are experts in their fields and have written in a reader-friendly way that captures the complexity and importance of their topics.

Each essay comprehensively reviews a controversial topic from a critical stance, and updates its status based on the latest theoretical and empirical considerations. For readers who need to keep pace with the evolution of thinking in psi research, this volume is authoritative.

Stanley Krippner, Ph.D., former director of the Maimonides Medical Center Dream Research Laboratory, is a professor at California Institute of Integral Studies. He is a fellow in the American Psychological Association (APA) and the Association for Psychological Science. Adam J. Rock is a lecturer at the School of Behavioural, Cognitive and Social Sciences at the University of New England, Armidale, NSW, Australia. His primary research interests are in the area of altered states of consciousness, mainly focused on shamanism, the conceptual problem of consciousness, and mediumship. Julie Beischel is co-founder and director of research at the Windbridge Institute for Applied Research in Human Potential in Tucson, Arizona. Consulting and clinical psychologist Harris L. Friedman, Ph.D. is an associated distinguished consulting professor at the California Institute of Integral Studies, an associated professor at the Salomons Institute for Applied Psychology at Canterbury Christ Church University (UK), and a visiting scholar at Harvard University. He retired as a research professor of psychology at the University of Florida. Cheryl L. Fracasso, Ph.D., LMHC is a licensed mental health counselor, certified clinical trauma intervention specialist, and owner of ShangriLa Wellness Center, a holistic healthcare center. She served on the faculty at the University of Phoenix for over 9 years teaching undergraduate psychology classes.