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Parapsychology (n.) is still in its infancy, Jung wrote in 1950, a shadowy region where everything seems possible and nothing believable, so careful collections of observations are invaluable.
Parapsychology (n.) is, in Jung's 1960 definition, the science of biological or psychological events showing that matter, space and time, and so causality, are not axiomatic; its core is the psychology of the unconscious.