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<p>This study investigates the brain activity through EEG source localization and emotional correlates in response to a 6 Hz binaural beat. The experimental protocol involves a 6 Hz binaural beat superimposed on a 250 Hz carrier tone to twelve participants over a forty-five minute session. This study exclusively examines the effects of a 6 Hz binaural beat presented solely on a 250 Hz carrier, without the addition of meditative music. The key findings following binaural beat exposure include: (1) a consistent shift in source activation from the left to the right hemisphere; (2) dominant activations in the right-hemispheric dominance; (3) a decrease in frontal alpha asymmetry (FAA); (4) statistically insignificant changes in the P300 component; (5) a significant increase in negative affect, as measured by the Positive and Negative Affect Schedule (PANAS); and (6) an increased theta/beta ratio.</p>

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Investigating EEG source localization and emotional correlates due to binaural beat stimulation

  • 期刊论文

  • 发表日期：

    2025年9月22日

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  • Teja Mannepalli,
  • Priyadarshini Mishra,
  • Aurobinda Routray,
  • Madhuri Panigrahi,
  • Ishita Debnath

摘要

This study investigates the brain activity through EEG source localization and emotional correlates in response to a 6 Hz binaural beat. The experimental protocol involves a 6 Hz binaural beat superimposed on a 250 Hz carrier tone to twelve participants over a forty-five minute session. This study exclusively examines the effects of a 6 Hz binaural beat presented solely on a 250 Hz carrier, without the addition of meditative music. The key findings following binaural beat exposure include: (1) a consistent shift in source activation from the left to the right hemisphere; (2) dominant activations in the right-hemispheric dominance; (3) a decrease in frontal alpha asymmetry (FAA); (4) statistically insignificant changes in the P300 component; (5) a significant increase in negative affect, as measured by the Positive and Negative Affect Schedule (PANAS); and (6) an increased theta/beta ratio.