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Cortical Network Activated by Korean Traditional Opera (Pansorz): A Functional MRI Study
( Yun Hee Kim ),( Hyun Gi Kim ),( Seong Yong Kim ),( Hyoung Ihl Kim ),( Todd B Parrish ),( In Ki Hong ),( Jin Hun Sohn ) 한국감성과학회 2000 춘계학술대회 Vol.2000 No.-
The Pansori is a Korean traditional vocal music that has a unique story and melody which converts deep emotion into art. It has both verbal and emotional components, which can be coordinated by large-scale neural network. The purpose of this study is to illustrate the cortical network activated by a Korean traditional opera, Pansori, with different emotional valence using functional MRI (fMRI). Nine right-handed volunteers participated. Their mean age was 25.3 and the mean modified Edinburgh score was +90.1. Activation tasks were designed for the subjects to passively listen to the two parts of Pansories with sad or hilarious emotional valence. White noise was introduced during the control periods. Imaging was conducted on a 1.5T Siemens Vision scanner. Single-shot echoplanar fMRI scans (TRITE 3840/40 ms, flip angle 90, FOV 220, 64 x 64 matrix, 6 mm thickness) were acquired in 20 contiguous slices. Imaging data were motion-corrected, coregistered, normalized, and smoothed using SPM-96 software. Bilateral posterior temporal regions were activated in both of Pansori tasks, but different asymmetry between the tasks was found. The Pansori with sad emotion showed more activation in the right superior temporal regions as well as the right inferior frontal and the orbitofrontal areas than in the left side. In the Pansori with hilarious emotion, there was a remarkable activation in the left hemisphere especially at the posterior temporal and the temporooccipital regions as well as in the left inferior and the prefrontal areas. After subtraction between two tasks, the sad Pansori showed more activation in the right temporoparietal and the orbitofrontal areas, in contrast, the one with hilarious emotion showed more activation in the left temporal and the prefrontal areas. These results suggested that different hemispheric asymmetry and cortical areas are sub served for the processing of different emotional valences carried by the Pansories.
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