Feasibility study on driver's stress detection from differential skin temperature measurement

T. Yamakoshi, K. Yamakoshi, S. Tanaka, M. Nogawa, S. B. Park, M. Shibata, Y. Sawada, P. Rolfe, Y. Hirose

研究成果: Conference contribution

29 被引用数 (Scopus)

抄録

Prolonged monotonous driving may lower a driver's awareness level as well as increasing their stress level due to the compulsion to maintain safe driving, which may result in an increased risk of a traffic accident. There is therefore an opportunity for technological assessment of driver physiological status to be applied in-car, hopefully reducing the incidence of potentially dangerous situations. As part of our long-term aim to develop such a system, we describe here the investigation of differential skin temperature measurement as a possible marker of a driver's stress level. In this study, healthy male (n=18) & female (n=7) subjects were investigated under environment-controlled conditions, whilst being subjected to simulated monotonous travel at constant speed on a test-course. We acquired physiological variables, including facial skin temperature which consists of truncal and peripheral skin temperatures (Ts) using thermography, beat-by-beat blood pressure (BP), cardiac output (CO), total peripheral resistance (TPR), and normalized pulse volume (NPV) used as an indicator of local peripheral vascular tone. We then investigated the driver's reactivity in terms of skin temperatures with this background of cardiovascular haemodynamics. We found that the simulated monotonous driving produced a gradual drop in peripheral TTs following the driving stress, which, through interpretation of the TPR and NPV recordings, could be explained by peripheral sympathetic activation. On the other hand, the truncal TTs was not influenced by the stress. These findings lead us to suggest that truncal-peripheral differential TTs could be used as a possible index indicative of the driver's stress.

本文言語English
ホスト出版物のタイトルProceedings of the 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS'08
出版社IEEE Computer Society
ページ1076-1079
ページ数4
ISBN(印刷版)9781424418152
DOI
出版ステータスPublished - 2008
外部発表はい
イベント30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS'08 - Vancouver, BC, Canada
継続期間: 2008 8 202008 8 25

出版物シリーズ

名前Proceedings of the 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS'08 - "Personalized Healthcare through Technology"

Conference

Conference30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS'08
国/地域Canada
CityVancouver, BC
Period08/8/2008/8/25

ASJC Scopus subject areas

  • コンピュータ ビジョンおよびパターン認識
  • 信号処理
  • 生体医工学
  • 健康情報学

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