Delta

0.5-4 Hz · Binaural

Deep sleep, healing, regeneration

Theta

4-8 Hz · Binaural

Deep meditation, creativity, subconscious access

Alpha

8-13 Hz · Binaural

Relaxed focus, calm alertness, flow state entry

Beta

13-30 Hz · Isochronic

Active thinking, focus, problem solving

High Beta

20-30 Hz · Isochronic

Intense focus, anxiety threshold

Gamma

30-100 Hz · Isochronic

Peak cognition, insight, binding consciousness