Biometrics Analysis and Evaluation on Korean Makgeolli Using Brainwaves and Taste Biological Sensor System

Table 1

Type and feature of brainwaves.

Type	Frequency	Normality
(delta)	0.5~4 Hz	Hypnoidal
(theta)	4~7 Hz	Slow wave sleep
(alpha)	8~12 Hz	Stable wave
Mid- (midbeta)	16~20 Hz	Concentrate stable wave
(beta)	21~30 Hz	Action stress wave
(gamma)	30~50 Hz	Arousal and excitement