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

Table 7

Effect of inhalation of essential oil of A. koreana twigs on EEG activity in women (both, left, and right nostrils).

EEG indices	Site	Before inhalation (µV^2)	During inhalation (µV^2)	t-test	P
Both nostrils
AFA	P4: right parietal			–2.635	0.027
RA	T3: left temporal			2.375	0.042
RT	P4: right parietal			2.519	0.033
AMB	T3: left temporal			–2.355	0.043
RFA	P4: right parietal			–2.526	0.032
RMB	T4: right temporal			–2.436	0.038
RSA	T3: left temporal			2.659	0.026
Left nostril
AB	P3: left parietal			2.990	0.015
AG	P3: left parietal			2.371	0.042
	P4: right parietal			2.956	0.016
AHB	P3: left parietal			4.540	0.001
RT	F4: right frontal			3.441	0.007
Right nostril
AMB	P4: right parietal			2.826	0.020
RT	F4: right frontal			2.305	0.047

AFA, absolute fast alpha; RA relative alpha; RT, relative theta; AMB, absolute mid beta; RFA, relative fast alpha; RMB, relative mid beta; RSA, relative slow alpha; AB, absolute beta; AG, absolute gamma; AHB, absolute high beta.
difference (P < 0.05); number of subjects, 10.