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Table 8 EEG sub-band frequencies [68]

From: Review of EEG-based pattern classification frameworks for dyslexia

Frequency band name

Frequency bandwidth (Hz)

Usual human state associated with bandwidth

Example bandwidth

Delta

1–3.9

Deep sleep

Theta

4–7.9

Drowsy, meditate

Alpha

8–13.9

Relaxed

Beta

14–29.9

Alertness, focused

Gamma

30–64

Peak performance