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  1. 原著論文

Theoretical analysis of crosstalk between oxygenated and deoxygenated haemoglobin in focal brain-activation measurements by near-infrared topography

https://repo.qst.go.jp/records/45435
https://repo.qst.go.jp/records/45435
963e5ca0-f2ce-4c8f-ac72-ae87011a81b0
Item type 学術雑誌論文 / Journal Article(1)
公開日 2009-03-06
タイトル
タイトル Theoretical analysis of crosstalk between oxygenated and deoxygenated haemoglobin in focal brain-activation measurements by near-infrared topography
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
著者 Kawaguchi, Hiroshi

× Kawaguchi, Hiroshi

WEKO 451399

Kawaguchi, Hiroshi

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Sakaguchi, Koichiro

× Sakaguchi, Koichiro

WEKO 451400

Sakaguchi, Koichiro

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Okada, Eiji

× Okada, Eiji

WEKO 451401

Okada, Eiji

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et.al

× et.al

WEKO 451402

et.al

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川口 拓之

× 川口 拓之

WEKO 451403

en 川口 拓之

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抄録
内容記述タイプ Abstract
内容記述 The crosstalk between concentration changes in oxygenated haemoglobin and deoxygenated haemoglobin calculated by the modified Lambert-Beer law in near-infrared topography is theoretically investigated. The changes in intensity detected with probe pairs on the scalp caused by the concentration change in either oxygenated or deoxygenated haemoglobin induced by the focal brain activation is predicted by Monte Carlo simulation. The topographic images of the changes in oxygenated and deoxygenated haemoglobin are obtained from the changes in the intensity of light at two wavelengths detected by probe pairs to evaluate the crosstalk. The crosstalk slightly depends on the positional relationship between the probe arrangement and the focal brain activation and is minimised when the focal brain activation is located below a measurement point that is the midpoint between a probe pair. The 690-/830-nm wavelength pair is practically effective for reducing the crosstalk, especially the crosstalk from oxygenated haemoglobin to deoxygenated haemoglobin, in the NIR topography.
書誌情報 Opto-Electronics Review

巻 16, 号 4, p. 404-412, 発行日 2008-09
ISSN
収録物識別子タイプ ISSN
収録物識別子 1230-3402
DOI
識別子タイプ DOI
関連識別子 10.2478/s11772-008-0032-1
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