Automatic Extraction System for Common Artifacts in EEG Signals Based on Evolutionary Stone’s BSS Algorithm

Table 1

EEG frequency bands with brain state.

Name	Freq.	State of brain
Delta	<4 Hz	Sleeping/unconscious
Theta	4–8 Hz	Imagination
Alpha	8–13 Hz	Calm consciousness
Beta	13–35 Hz	Focused consciousness
Gamma	>35 Hz	Peak performance