Development of a multi-channel, portable optical topography system

Hirokazu Atsumori, Masashi Kiguchi, Akiko Obata, Hiroki Sato, Takusige Katura, Kei Utsugi, Tsukasa Funane, Atsushi Maki

研究成果: Conference contribution

23 被引用数 (Scopus)

抄録

Optical topography (OT) based on near infrared spectroscopy (NIRS) is useful for measuring changes in the concentrations of oxygenated hemoglobin (oxy-Hb) and deoxygenated hemoglobin (deoxy-Hb) in brain tissues non-invasively. Conventional OT systems limit subjects' ranges of movement to within the length of optical fibers these systems require for irradiating light on the scalp and detecting light transmitted through the tissues in the human head. We developed a prototype of a multi-channel, portable OT system without optical fibers. We used the portable system to measure changes in the concentrations of oxy-Hb and deoxy-Hb in the frontal cortex while the subjects performed a word fluency task. The results show typical changes in hemoglobin concentrations during the task and suggest the prototype system can be used to investigate brain functions in the frontal cortex.

本文言語English
ホスト出版物のタイトル29th Annual International Conference of IEEE-EMBS, Engineering in Medicine and Biology Society, EMBC'07
ページ3362-3364
ページ数3
DOI
出版ステータスPublished - 2007
外部発表はい
イベント29th Annual International Conference of IEEE-EMBS, Engineering in Medicine and Biology Society, EMBC'07 - Lyon, France
継続期間: 2007 8月 232007 8月 26

出版物シリーズ

名前Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings
ISSN(印刷版)0589-1019

Conference

Conference29th Annual International Conference of IEEE-EMBS, Engineering in Medicine and Biology Society, EMBC'07
国/地域France
CityLyon
Period07/8/2307/8/26

ASJC Scopus subject areas

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

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