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The brain activity differences between worded and unworded music through EEGmeasurements in temporal and parietal brain regions. The research shows that music type, specifically semantic content presence or absence, determines brain activity patterns. The alpha/beta ratio functions as a biomarker which helps differentiate between mental focus and relaxation states. EEG recordings were acquired from the left temporal (T7) and right parietal (P4) sites in participants exposed to two auditory conditions: a non-native song (featuring unfamiliar language) and neutral, instrumental music.The power spectral density (PSD) analysis showed different oscillatory patterns between conditions. The alpha/beta power ratio showed a significant increase in both channels under the neutral music condition especially at the left temporal site (T7). This elevated ratio, driven by increased alpha (8–12 Hz) and suppressed beta (13–30 Hz) power, is indicative of a relaxed cortical state characterized by reduced cognitive load and minimal linguistic processing.The non-native song condition produced a lower alpha/beta ratio because beta activity increased at T7. The results show higher cognitive involvement because the brain processes unfamiliar phonological and prosodic structures. The research findings support the development of music-based therapeutic interventions because they confirm how musical stimuli influence brain activity in therapeutic contexts such as stress reduction and cognitive or language rehabilitation.

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Neurophysiological Study of EEG Alpha–Beta Dynamics in Temporal and Parietal Regions During Non-Native and Neutral Music Listening

  • 会议论文

  • 发表日期：

    2026年

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  • Richard Kyung,
  • Nathan Yeop Kim

摘要

The brain activity differences between worded and unworded music through EEGmeasurements in temporal and parietal brain regions. The research shows that music type, specifically semantic content presence or absence, determines brain activity patterns. The alpha/beta ratio functions as a biomarker which helps differentiate between mental focus and relaxation states. EEG recordings were acquired from the left temporal (T7) and right parietal (P4) sites in participants exposed to two auditory conditions: a non-native song (featuring unfamiliar language) and neutral, instrumental music.The power spectral density (PSD) analysis showed different oscillatory patterns between conditions. The alpha/beta power ratio showed a significant increase in both channels under the neutral music condition especially at the left temporal site (T7). This elevated ratio, driven by increased alpha (8–12 Hz) and suppressed beta (13–30 Hz) power, is indicative of a relaxed cortical state characterized by reduced cognitive load and minimal linguistic processing.The non-native song condition produced a lower alpha/beta ratio because beta activity increased at T7. The results show higher cognitive involvement because the brain processes unfamiliar phonological and prosodic structures. The research findings support the development of music-based therapeutic interventions because they confirm how musical stimuli influence brain activity in therapeutic contexts such as stress reduction and cognitive or language rehabilitation.