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Effect of uninasal (right nostril) inhalation of essential oil of A. koreana twigs on EEG activity in both genders.
| EEG indices | Site | Before inhalation (µV2) | During inhalation (µV2) | t-test | P value∗ |
|---|---|---|---|---|---|
| AT | P3: left parietal | 22.468 ± 3.501 | 18.520 ± 2.834 | 2.549 | 0.020 |
| P4: right parietal | 19.540 ± 3.005 | 16.896 ± 2.696 | 2.580 | 0.018 | |
| RT | P4: right parietal | 0.178 ± 0.017 | 0.158 ± 0.017 | 2.109 | 0.048 |
AT, absolute theta; RT, relative theta.
∗Significant difference (P < 0.05); number of subjects, 20.
