Development of portable optical topography system

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

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

1 Citation (Scopus)

Abstract

Optical topography (OT) based on near infrared spectroscopy (NIRS) is suitable for measuring changes in the concentrations of oxygenated hemoglobin (oxy-Hb) and deoxygenated hemoglobin (deoxy-Hb) in tissue in the brain. It can be used to investigate brain functions of subjects of all ages because it is non-invasive and less constraining on subjects. Conventional OT systems require optical fibers to irradiate light on the scalp and detect light transmitted through the tissues in the human head, but optical fibers limit subjects' movable ranges, so some portable measurement systems without optical fibers have been developed. We developed a prototype of a multi-channel portable OT system and used it to measure changes in the concentrations of oxy-Hb and deoxy-Hb in the frontal region of the cerebral cortex during a mental calculation. The results show typical changes in oxy-Hb and deoxy-Hb during a mental task and suggest that the prototype system can be used to investigate brain functions in the frontal region of the cerebral cortex.

Original languageEnglish
Title of host publication2007 IEEE/ICME International Conference on Complex Medical Engineering, CME 2007
Pages949-952
Number of pages4
DOIs
Publication statusPublished - 2007 Dec 1
Externally publishedYes
Event2007 IEEE/ICME International Conference on Complex Medical Engineering, CME 2007 - Beijing, China
Duration: 2007 May 232007 May 27

Publication series

Name2007 IEEE/ICME International Conference on Complex Medical Engineering, CME 2007

Conference

Conference2007 IEEE/ICME International Conference on Complex Medical Engineering, CME 2007
CountryChina
CityBeijing
Period07/5/2307/5/27

Keywords

  • NIRS
  • Optical topography
  • Portable

ASJC Scopus subject areas

  • Biomedical Engineering
  • Medicine(all)

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  • Cite this

    Atsumori, H., Kiguchi, M., Obata, A., Sato, H., Katura, T., Utsugi, K., Funane, T., & Maki, A. (2007). Development of portable optical topography system. In 2007 IEEE/ICME International Conference on Complex Medical Engineering, CME 2007 (pp. 949-952). [4381880] (2007 IEEE/ICME International Conference on Complex Medical Engineering, CME 2007). https://doi.org/10.1109/ICCME.2007.4381880