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민병찬 ( B. C. Min ),정순철 ( S. C. Chung ),한정수 ( J. S. Han ),변중남 ( Z. N. Bien ),김철중 ( C. J. Kim ),김준수 ( J. S. Kim ) 한국감성과학회 2000 추계학술대회 Vol.2000 No.-
In this present study, the correlation between subjective preference of essential odors and EEG response were investigated quantitatively. EEG signals were measured from 19 electrodes according to the International 10-20 system (Fpl, Fp2, F3/4, F7/8, Fz, C3/4, Cz, P3/4, Pz, T3/4, T5/6, O1/2) from 8 healthy males subjects in four odor conditions. Four odor conditions (Rose oil bulgarian, Lemon oil misitano, Jasmin abs, Laverder iol france (KIMEX co. Ltd)) were applied for each subject in the experiment. Through the subjective evaluation, the most pleasant odor for each subject was determined. The power spectrum of α/β of EEG signals from the most pleasant odor was compared with those from the control condition, which has no odor at all. It was observed that the power spectrum of α/β of EEG from the most pleasant odor was increased significantly on F3, Fz, F4,T4 comparing to the control condition. This result indicates that the power spectrum of α/β could be a new index for measuring the levels of pleasantness of odors.