Publication: The brain responses to different frequencies of binaural beat sounds on QEEG at cortical level
Issued Date
2015-11-04
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ISSN
1557170X
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2-s2.0-84953266858
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Mahidol University
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SCOPUS
Bibliographic Citation
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS. Vol.2015-November, (2015), 4687-4691
Suggested Citation
Nantawachara Jirakittayakorn, Yodchanan Wongsawat The brain responses to different frequencies of binaural beat sounds on QEEG at cortical level. Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS. Vol.2015-November, (2015), 4687-4691. doi:10.1109/EMBC.2015.7319440 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/35794
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Title
The brain responses to different frequencies of binaural beat sounds on QEEG at cortical level
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Abstract
© 2015 IEEE. Beat phenomenon is occurred when two slightly different frequency waves interfere each other. The beat can also occur in the brain by providing two slightly different frequency waves separately each ear. This is called binaural beat. The brain responses to binaural beat are in discussion process whether the brain side and the brain area. Therefore, this study aims to figure out the brain responses to binaural beat by providing different binaural beat frequencies on 250 carrier tone continuously for 30 minutes to participants and using quantitative electroencephalography (QEEG) to interpret the data. The result shows that different responses appear in different beat frequency. Left hemisphere dominance occur in 3 Hz beat within 15 minutes and 15 Hz beat within 5 minutes. Right hemisphere dominance occurs in 10 Hz beat within 25 minute. 6 Hz beat enhances all area of the brain within 10 minutes. 8 Hz and 25 Hz beats have no clearly responses while 40 Hz beat enhances the responses in frontal lobe. These brain responses can be used for brain modulation application to induce the brain activity in further studies.