“…Reductions produced by various forms of meditation reported in other studies ranged from -1 mm Hg (Datey et al, 1969) to -23 mm Hg for SBP, and from 0 mm Hg (Benson et al, 1973) to -15 mm Hg for DBP. Reductions produced by various forms of biofeedback reported in other studies ranged from -4 mm Hg (Datey, 1977) to -10 mm Hg (Blanchard et al, 1975) for SBP, and from 0 mm Hg (Schwartz and Shapiro, 1973) to -21 mm Hg (Elder et al, 1973;Miller, 1972) (1973; 1975; 1975), and Patel and North (1975), respectively, in which a combination of biofeedback of GSR, meditation, and Yoga exercises involving passive relaxation training was utilized in the treatment of hypertension.…”