http://www.astrosciences.info/FreedomMind.htm
Delta | 0.1-3 Hz | deep sleep, lucid dreaming, increased immune functions, hypnosis |
Theta | 3-8 Hz | deep relaxation, meditation, increased memory, focus, creativity, lucid dreaming, hypnagogic state |
Alpha | 8-12 Hz | light relaxation, "super learning", positive thinking |
Low Beta | 12-15 Hz | relaxed focus, improved attentive abilities |
Midrange Beta | 15-18 Hz | increase mental ability, focus, alertness, IQ |
High Beta | above 18 Hz | fully awake, normal state of alertness, stress and anxiety |
Gamma | 40 Hz | associated with information-rich task processing and high-level information processing |
those with nearly normal brains |
those with 50-70% of the cranium filled with cerebrospinal fluid |
those with 70-90% of the cranium filled with cerebrospinal fluid |
and the most severe group with 95% of the cranial cavity filled with cerebrospinal fluid. |