Development of a multi-channel, portable optical topography system

被引：19

作者：

Atsumori, Hirokazu ^{[1
]}

Kiguchi, Masashi ^{[1
]}

Obata, Akiko ^{[1
]}

Sato, Hiroki ^{[1
]}

Katura, Takusige ^{[1
]}

Utsugi, Kei ^{[2
]}

Funane, Tsukasa ^{[1
]}

Maki, Atsushi ^{[1
]}

机构：

[1] Hitachi Ltd, Adv Res Lab, 2520 Akanuma, Hatoyama, Saitama 3500395, Japan

[2] Hitachi Ltd, Syst Dev Lab, Asao Ku, Kanagawa 2150013, Japan

来源：

2007 ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY, VOLS 1-16 | 2007年

关键词：

D O I：

10.1109/IEMBS.2007.4353051

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 [生物医学工程];

摘要：

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.

引用

页码：3362 / +

页数：2

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