“…Inducing patients into altered states for therapeutic purposes goes back to the work of Franz Anton Mesmer a little over two centuries ago, antidating the advent of modern psychology, psychiatry and psychoanalysis. 14 Since that time, a large body of evidence has accumulated demonstrating the significant improvement in treatment obtained when patients are in hypnotic (altered) states (see Greenfield, in press; Barber, 1999Barber, , 1984Ewin, 1984;Holroyd, 1992;Marmer, 1959;Ley and Freeman, 1984;Moore and Kaplan, 1983;Ruzyla-Smith et al, 1995;Rossi, 2002Rossi, , 1993.…”