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Detection of Psychological Stress Using Layered Voice Analysis Technology Kiyotaka NEMOTO 1,2 , Hirokazu TACHIKAWA 2,3 , Satoshi TANIMUKAI 4 , Tetsuya TAKAO 5 , Hideyuki SATO 6 , Yuko ASHIZAWA 2,7 , Go ENDO 2,7 , Kouhei TANAKA 2,7 , Ryusuke ISHII 2,7 , Norie ISHII 2,7 , Kouki HASHIMOTO 2 , Toshihiro IGUCHI 2,7 , Miho OTA 2,7 , Kouzou OGURA 2,7 , Masashi HORI 8 , Takashi ASADA 8 1Happoukai Ikeda Hospital, Ryugasaki, Japan 2PSYCHOLOSOFT 3Ibaraki Prefectural Tomobe Hospital 4Program for Medical Sciences, Graduate School of Medicine, Ehime University 5Hospital Bando 6Comprehensive Human Sciences, University of Tsukuba 7Division of Psychiatry, University of Tsukuba Hospital 8Department of Psychiatry, Institute of Clinical Medicine, University of Tsukuba Keyword: Layered Voice Analysis , Psychological stress pp.959-967
Published Date 2008/10/15
DOI https://doi.org/10.11477/mf.1405101290
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 In this study, we try to detect psychological stress, using Layered Voice Analysis(LVA)technology. One-hundred and six healthy subjects are randomly assigned to a control or a task group. Before the task, STAI, blood pressure and salivary amylase levels were measured and voices were also recorded. Then, the task group went through an anagram task while the control group just read aloud the task phrases. Voice parameters before each task showed significant correlation with trait anxiety and blood pressure. In addition to that, voice parameters of the task groups changed significantly during the anagram tasks compared to the controls. From these results, LVA might be used to detect psychological stress.


Copyright © 2008, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-126X 印刷版ISSN 0488-1281 医学書院

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