|
| Wave | Frequency | Mental state |
|
| Delta | 0–4 Hz | Deep sleep; hypnosis; increasing immune functions; physical and mental restructuring. |
| Theta | 4–8 Hz | Deep relaxation; state of meditation; increase in creativity |
| Alpha | 8–12 Hz | Mental and muscular relaxation; positive thought; improved memory; assimilation and capacity for study. Improved performance in sport. |
| Beta | >12 Hz | Relaxed focus; improved attention; conscious attention, tension anxiety-stress; confusion; irritability; psychosomatic problems |
|