Wave Type | Frequency Range | Mental State |
Delta wave | 0 - 3.5 Hz | Unconscious |
Theta wave | 4 - 7.5 Hz | Fantasizing |
Alpha wave | 8 - 12 Hz | Calm, relaxed |
Low Beta wave | 12 - 15 Hz | Integrated |
Mid Beta Wave | 16 - 20 Hz | Thinking, aware |
High Beta wave | 21 - 30 Hz | Alert, agitated |
Gamma wave | 30 - 100 Hz | Motor functions and higher mental activity |