Mathematical Modeling of Brain Activity under Specific Auditory Stimulation

Table 1

Brain rhythms separated by the QP-220AK program.

EEG rhythm	Frequency band (Hz)	The filter passes up (Hz)	The filter passes down (Hz)
Delta	2-4	2	4
Theta	4-8	4	8
Alpha 1	8-10	8	10
Alpha 2	10-13	10	13
Beta 1	13-20	13	20
Beta 2	20-30	20	30