When he
directed these fields toward the temporal lobes, Persinger's helmet induced the sort of
mystical, free - of - the - body
experiences common to right temporal lobe epileptics, meditators, and people who have had near - death
experiences.
Walter Smith, «Ad Reinhardt's Oriental Aesthetic,» Smithsonian Studies in American Art, Summer / Fall 1990, p. 43, sees Reinhardt's black paintings as imparting «a sense, rather than a depiction, of the Buddhist
mystical state known as sunyata, the great void, or emptiness, the
direct experience of which is the enlightened state of nirvana.»