Influence of Binasal and Uninasal Inhalations of Essential Oil of Abies koreana Twigs on Electroencephalographic Activity of Human

Table 5

Effect of uninasal (right nostril) inhalation of essential oil of A. koreana twigs on EEG activity in both genders.

EEG indices	Site	Before inhalation (µV^2)	During inhalation (µV^2)	t-test	P
AT	P3: left parietal			2.549	0.020
	P4: right parietal			2.580	0.018
RT	P4: right parietal			2.109	0.048

AT, absolute theta; RT, relative theta.
difference (P < 0.05); number of subjects, 20.