Clinically, according to the different frequencies of EEG signals, EEG signals are divided into δ wave, θ wave, α wave, β wave and SMR wave. Brain waves with different frequencies reflect different physical and mental states of individuals, such as hyperactivity, inattention, procrastination, impulsiveness, etc., and all have corresponding waveforms.
As for the EEG biofeedback therapeutic instrument to improve children's memory, it needs long-term training. By training children's concentration, children's attention can be slowly concentrated and their memory can be improved.