Brainwave Classifications

Reference Chart


Below are the 5 classifications of brainwaves separated by Hertz (Hz) from lowest (slower) to highest (faster):

DELTA [0.1-3 Hz] 

Frequencies are generally broad or diffuse and associated with non-REM, deep sleep and unconsciousness.

THETA [3.5-7.5 Hz]

Frequencies are usually regional, may involve multiple lobes. Associations with everything from deep meditation, creativity, intuition, imagery, fantasy, dreamlike knowing and feelings of Oneness.

ALPHA [8-12 Hz]

Frequencies will usually involve an entire lobe, usually occipital when eyes are closed. Associated with light meditation, relaxation, tranquility, conscious but not drowsy.

LOW BETA [12-15Hz]

Frequencies usually localized near frontal and occipital lobes. Focused yet relaxed, strong attention.

MID BETA [15-18Hz]

Frequencies localized over multiple areas and associated with thinking, awareness of surroundings, mental alertness and activity.

HIGH BETA [18Hz +]

Frequencies localized and often very focused. Associated with math, planning, active and alertness, possible agitation and restlessness.

GAMMA [30Hz +]

Frequencies mainly localized and involve fast thinking and integrated thought, high level information and task processing.

  • “Everything flows, out and in; everything has its tides; all things rise and fall; the pendulum-swing manifests in everything; the measure of the swing to the right is the measure of the swing to the left; rhythm compensates.”

    - The Kybalion -

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