Nonlinear Theory and Its Applications, IEICE
Online ISSN : 2185-4106
ISSN-L : 2185-4106
special section
Investigation of synchronization between musical beat and heartbeat with cardio-music synchrogram
Makoto FukumotoShusaku NomuraMasahiro SawaiJun-ichi ImaiTomomasa Nagashima
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2010 Volume 1 Issue 1 Pages 146-152


To illuminate the synchronization phenomena between heartbeat and music, the effects of a sedative music of variable tempo on heart rates were investigated. In the experiment, nine subjects were exposed to the sedative music with having changes in its tempo. The tempo gradually increases, decreases, or stands stable in the music (hereafter these experimental condition are named as Up, Down, and Flat condition). With regard to the analysis of synchronization, we introduced our formerly developed Cardio-Music Synchrogram, which was used to extract statistically significant synchronization period between heartbeat and music. As a result, it was suggested that the sedative music in Down condition induced synchronization more frequently than Flat and Up conditions.

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© 2010 The Institute of Electronics, Information and Communication Engineers
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