Presentation 2012-10-27
Physiological Effects of High-Frequency Components of the Musical Sounds
Shota MOMOZE, Kenji FURIHATA,
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Abstract(in English) The hypersonic effect suggests that the existence of a previously unrecognized response to complex sound containing particular types of high frequencies above the audible range. Concretely, the existence of inaudible high-frequency components above 20kHz affects psychological and physiological state of human. In this report, it is discussed that influence of inaudible high-frequency components of the musical sounds on autonomic nervous system with taking LF/HF, which reflects autonomic nervous activities, and α-EEG as physiological indices. As a result, the compatible tendency of variability between LF/HF and α-EEG power was found and it is considered that influence of inaudible high-frequency components on autonomic nervous system is one of the hypersonic effect. From the results, a possibility that variability of brain state could be surmised by variability of respiratory system is suggested.
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Keyword(in English) Hypersonic Effect / Autonomic nervous system / LF/HF / α-EEG
Paper # EA2012-69
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Committee EA
Conference Date 2012/10/20(1days)
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Paper Information
Registration To Engineering Acoustics (EA)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Physiological Effects of High-Frequency Components of the Musical Sounds
Sub Title (in English)
Keyword(1) Hypersonic Effect
Keyword(2) Autonomic nervous system
Keyword(3) LF/HF
Keyword(4) α-EEG
1st Author's Name Shota MOMOZE
1st Author's Affiliation Faculty of Engineering, Shinshu University()
2nd Author's Name Kenji FURIHATA
2nd Author's Affiliation Faculty of Engineering, Shinshu University
Date 2012-10-27
Paper # EA2012-69
Volume (vol) vol.112
Number (no) 266
Page pp.pp.-
#Pages 6
Date of Issue