Table 1.

Comparison between fixed frequency bands and ranges based on IAF.

	Frequency range based on IAF	Frequency range (fixed)
Delta	2–0.4 × αIAF Hz	0.1–4 Hz
Theta	0.4 × αIAF−0.6 × αIAF Hz	4–8 Hz
Alpha	0.6 × αIAF−1.2 × αIAF Hz	8–13 Hz
Beta	1.2 × αIAF−30 Hz	13–30 Hz
Gamma	30–50 Hz	30–100 Hz