Here he maintains that, as parapsychology gains greater scientific acceptance, the time as come to bring ethical considerations to the forefront.

In this 2017 interview, he describes the philosophical conflict between his intuitive sense that there is an external world and the logical argument of Bishop Berkeley that we can only know our own experience and not the world itself. Pondering this paradox, he says, literally made him dizzy. The logical implication of Berkeley’s philosophy is [...]

Here he focuses on the life and work of one of the most widely read and influential writers of the late nineteenth and early twentieth centuries. He explains how Well’s can be seen as a successful revolutionary for scientism.

In this video from 2018, he explains his definition of a trance state and also delineates four different kinds of trance. He maintains that we are always in a state of trance of one type or another, in effect, going from trance state to trance state. He also points out that trance states can be [...]

Here he approaches theodicy (the justification of god’s goodness, omniscience, and omnipotence in the face of evil) as an inevitable problem facing those on a spiritual path.

Here he describes the challenges and the risks of researching anomalous aerial objects.

In this interview from 2018, he explains the problems confronting psychotherapists when confronted with cases of ostensible possession. Are the manifestations due to intrapsychic, subconscious dynamics? Or, has the manifestation resulted from the activity of an external psychic or spiritual entity. Both levels of causality may be involved. Crabtree shares some experiences from his psychotherapy [...]