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One of the four brain wave patterns, the delta state is typified by patterns that repeat at the speed of .5-3 Hertz (cycles per second). People in deep sleep or who are unconscious are in the delta state. It is also the speed of the brainwaves typified by some forms of very deep meditation. The other brain wave patterns are alpha, beta, and theta.
We are proud to bring our readers our twelfth annual tarot catalog! Discover the newest in tarot offerings from Llewellyn, Lo Scarabeo, and Blue Angel, plus get free shipping on US orders over $30 and 20% savings when you order online...