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The brain generates weak electrical impulses representative of its particular activities. As recorded by the electro-encephalograph (EEG), they fall into particular levels assigned Greek letters.
Beta, at 14 to 28 cycles per second, is our normal waking state including focused attention, concentration, thinking, etc.
Alpha, 8 to 13 cycles, is the next level down characteristic of relaxation, alert receptivity, meditation and access to the subconscious mind. It is at 8 cycles per second, the border between alpha and theta, that Trance occurs.
Theta, 4 to 7, is lower yet and occurs just before (hypnopompic) or after (hypnagogic) sleep and is characteristic of light sleep, deep meditation, dreaming, vivid imagery, and high levels of inner awareness.
Delta, 1 to 3, is characteristic of deep dreamless sleep.
0 to 0.5 is the state of death or unconsciousness.
Readers, please enjoy this guest blog post by Jo Graham, author of The Great Wheel and the new Winter.
The octaves of the Wheel of the Year are the map of our life. Just like the world, we pass through eight seasons, only instead of each being...