Abstract
To evaluate human mind or feeling electrophysiologically, we examined electroencephalogram (EEG), electrocardiogram ECG and pneumogram. Amusing VTRs (Japanese comedians, Down-town) were shown to healthy male subjects (S.T. 21 yr, M.K. 19 yr, Y.K. 19 yr, Y.K. 19 yr and N.K. 19 yr). EEG was recorded almost 30 m (5 m control, 10 m watching VTR and 15 m recovery) by Neurofax EEG-1100 (Nihonkohden, Tokyo) and analyzed by data analysis software, Focus/QP-211A (Nihonkohden) in the present study. Electrode configuration of 25 points on scalp of subjects was based on the 10-10 electrode method by the IEF, International Encephalogram Federation. EEG was analyzed by FFT (Fast Fourier transform). We detected that amplitudes of beta and gamma on electrodes positions, T7 and T8 in temporal and parietal regions were greatly enhanced during watching the amusing VTR. The amplitude of an enhancement was larger when watching more amusing VTR. If the quantity of amusing level on VTR was small, the amplitude of beta and gamma amplitudes on FFT was small. On the other hand, intervals of respiratory ventilation were decreased during watching the amusing VTR. Even If subject felt that the VTR was funny, the heart rate did not changed during watching the VTR. Present results suggested that EEG and pneumogram were changed specifically in accompanying with emotional changes in response to amusing VTRs. However, ECG were little changed in spite of amusing or non-amusing VTRs. [Jpn J Physiol 54 Suppl:S193 (2004)]
