“…Several authors have noted the similarity between hypnagogic and schizophrenic thought processes (Froeschels, 1949;Hollingworth, 1911;McKellar, 1957McKellar, , 1972Mintz, 1948;Oswald, 1962;Vogel et al, 1972). Maury (cited by Oswald, 1962, p. 112) concluded that associations in both cases are based on sound.…”