Delta: <3Hz
Theta: 4~8Hz
Alpha: 8~13Hz
Beta: 13Hz↑
(記法:記分界就好:3,8,13,然後照順序Delta, Theta, Alpha, Bata)
13 .θ波的頻率範圍是: (A)< 4 Hz (B) 4-8 Hz (..-阿摩線上測驗