Cerebral waves

WAVES BETHA: cerebral Frequencies of 13 - 30 Hz. They register when the person is awake.

WAVES ALPHA: Frequencies of 8-12 Hz. They are characterized by conditions(states) of easing, unconcern, placidness. They register in moments before sleeping.

WAVES THETA: Frequencies of 4-7 hz. They register during the dream and hypnosis. This condition favors greatly the imagination, inspiration, learning.

WAVES DELTA: Frequency of 1-3 Hz. These cerebral waves register during the deep dream without dreams and in condition of deep hypnosis.