A way of reducing or eliminating external stimuli in an effort to improve a subject’s receptivity to paranormal phenomena for ESP testing or meditation. This may be done in a sensory deprivation chamber or through other means. See Ganzfeld.
Readers, please enjoy this guest blog post by Sandra Kynes, author of several books, including The Herb Gardener's Essential Guide, Plant Magic, and the new Witches' Encyclopedia of Magical Plants, among many others.
Although a few old books...