The transpersonal psychology of Ken Wilber is often mentioned as an influential theoretical framework for the field. Wilber is often regarded as a leading theorist and pioneer of the transpersonal movement, but he has not been actively associated with the label for quite some time. Several commentators note that he has distanced himself from the transpersonal field in favour of a new model that he calls integral. However, his psychological model still remains influential to the practice and development of transpersonal psychology, and transpersonal themes remain a central part of his own work. Central to his theory of consciousness is