배경음악의 템포가 수용자의 공감과 몰입도에 미치는 영향 : 뮤리듬 웨이브렛 변환 뇌파 분석 연구
The Effect of Background Music on the Viewer’s Empathy and Immersion: EEG mu-rhythm analysis using wavelet transform
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초록
영상미디어의 수용에 있어 음악의 역할이 매우 중요한 것은 자명하나 그에 대한 이론적인 근거는 부족하다. 본 연구는 이론적 토대가 되는 기초연구로서, 신경생리학적 연구방법인 뇌파 분석(EEG)기법을 이용하여 배경음악의 존재나 음악의 템포가 수용자의 공감, 몰입도에 미치는 영향을 분석하였다. 템포에 따른 실험대상자의 뇌파 반응을 측정하기 위해 액션영화 장면을 3가지 조건(1. 배경음악 없음, 2. 느린 템포 배경음악, 3. 빠른 템포 배경음악)의 자극 영상으로 각각 배경음악을 달리하여 피실험자에게 제시한 뒤 뇌파 반응을 측정하였다. 측정된 뇌파 반응은 웨이브렛 변환하여 공감과 몰입도를 나타내는 뇌파의 지표로 감각운동피질의 활성화와 관련이 있는 뮤리듬 억제를 통해 분석하였다. 분석 결과, 배경음악이 존재할 시에 수용자의 몰입도가 증가했지만 템포에 따른 몰입도의 차이는 관찰되지 않았다.
Abstract
Although it is evident that music plays a vital role in viewing video media, the theoretical foundation has not been sufficiently investigated. The electroencephalography(EEG) analysis was used to examine the effect of background music tempo on the viewer's Empathy and immersion in video media. Participants' EEG responses were recorded while watching an action movie in three conditions (a. no background music, b. slow-tempo background music, c. fast-tempo background music). The Mu rhythm suppression, which is a measure of empathy and immersion associated with the activation of the sensorimotor cortex, was used to analyze participants' responses. The results revealed that participants' empathy/immersion increased when background music was present, but there was no difference in empathy/immersion according to tempo. This research is expected to contribute to developing a theoretical foundation for the role of music in viewing video media.
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