The Rate of Brainwave Firing is related to our state of arousal.

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In order is a list of the names of Brainwaves

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cps = cyles per second, or Hertz

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Delta      .5 - 3.5  Hz                       Sleep 

Theta      4  - 8    Hz                       Drowsy   or deep thought

Alpha     8 - 12   Hz                        Relaxed Focus 

SMR      12 - 15  Hz                        Relaxed Thought, Calm

Beta      15 - 18  Hz                        Active Thinking, Focused, Very Alert

High Beta  22 - 36 Hz                 Exited, Hyper Aware, On guard, Tense, Anxious

Gamma      38 - 42 Hz                Performance, Cognitive Integration

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