Partial optical path length in the scalp in subject-specific head models for multi-distance probe configuration of near infrared spectroscopy

Taku Yanagisawa, Hiroshi Kawaguchi, Takayuki Obata, Eiji Okada

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In the brain function measurement by near infrared spectroscopy using a multi-distance probe configuration, the ratio of the partial optical path length in the scalp for the long spacing probe pair to that for the short spacing probe pair is important for the calculation to eliminate the scalp component in the signal. Light propagation in the subject specific head models of 45 volunteers was calculated to predict the dependence of the partial optical path length in the scalp and the weighting factor for the multi-distance probe configuration. The weighting factor ranges from 1.0 to 2.3 and increases with the scalp thickness when the scalp thickness is less than 15 mm.

Original languageEnglish
Title of host publicationBiomedical Imaging and Sensing Conference
PublisherSPIE
Volume10711
ISBN (Electronic)9781510619791
DOIs
Publication statusPublished - 2018 Jan 1
EventBiomedical Imaging and Sensing Conference 2018 - Yokohama, Japan
Duration: 2018 Apr 252018 Apr 27

Other

OtherBiomedical Imaging and Sensing Conference 2018
CountryJapan
CityYokohama
Period18/4/2518/4/27

Fingerprint

Near-infrared Spectroscopy
Near infrared spectroscopy
Path Length
optical paths
Probe
infrared spectroscopy
Partial
Configuration
probes
configurations
Spacing
Weighting
spacing
Light propagation
Model
brain
Brain
Eliminate
Propagation
Predict

Keywords

  • Near-infrared spectroscopy
  • short spacing probe pair

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Yanagisawa, T., Kawaguchi, H., Obata, T., & Okada, E. (2018). Partial optical path length in the scalp in subject-specific head models for multi-distance probe configuration of near infrared spectroscopy. In Biomedical Imaging and Sensing Conference (Vol. 10711). [107111J] SPIE. https://doi.org/10.1117/12.2319286

Partial optical path length in the scalp in subject-specific head models for multi-distance probe configuration of near infrared spectroscopy. / Yanagisawa, Taku; Kawaguchi, Hiroshi; Obata, Takayuki; Okada, Eiji.

Biomedical Imaging and Sensing Conference. Vol. 10711 SPIE, 2018. 107111J.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Yanagisawa, T, Kawaguchi, H, Obata, T & Okada, E 2018, Partial optical path length in the scalp in subject-specific head models for multi-distance probe configuration of near infrared spectroscopy. in Biomedical Imaging and Sensing Conference. vol. 10711, 107111J, SPIE, Biomedical Imaging and Sensing Conference 2018, Yokohama, Japan, 18/4/25. https://doi.org/10.1117/12.2319286
Yanagisawa, Taku ; Kawaguchi, Hiroshi ; Obata, Takayuki ; Okada, Eiji. / Partial optical path length in the scalp in subject-specific head models for multi-distance probe configuration of near infrared spectroscopy. Biomedical Imaging and Sensing Conference. Vol. 10711 SPIE, 2018.
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