The Brain Wave Spectrum


The brain wave spectrum divides into5 bands with different associated states

DELTA WAVES, 1/2-4Hz:
Deep unconscious, intuition and insight

THETA WAVES, 4-Hz:
Subconscious creativity, deep relaxation

ALPHA WAVES, 8-13Hz:
"Spacey" and dreamy state, receptive and passive

BETA WAVES, 13-30Hz:
Conscious thought, external focus

GAMMA WAVES, 30-30Hz:
Not well understood, but linked to perception and alertness or anxiety

During successful meditation, the subject typically starts off with high beta (thinking), then experiences more alpha, followed by more theta and finally delta, the deepest level. After some time, the reverse process takes place, bringing the person back to beta feeling awake and refreshed, sometimes with new insights