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Journal of Biomedical Optics

Higher-order brain function analysis by trans-cranial dynamic near-infrared spectroscopy imaging
Author(s): Hideaki Koizumi; Yuichi Yamashita; Atsushi Maki; Tsuyoshi Yamamoto; Yoshitoshi Ito; Hiroyuki Itagaki; Richard P. Kennan
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Paper Abstract

Near-infrared spectroscopy is discussed from the viewpoint of human higher-order brain function analysis. Pioneering work in this field is reviewed; then we describe our concept of noninvasive trans-cranial dynamic optical topography and its instrumentation. Also, the validity of its functional images is assessed from both physical and physiological viewpoints. After confirming the validity of this method, we have applied it to a wide variety of fields such as clinical medicine, cognitive science, and linguistics in collaboration with researchers at several other institutes. Further application possibilities and the future of trans-cranial dynamic optical topography are also discussed.

Paper Details

Date Published: 1 October 1999
PDF: 11 pages
J. Biomed. Opt. 4(4) doi: 10.1117/1.429959
Published in: Journal of Biomedical Optics Volume 4, Issue 4
Show Author Affiliations
Hideaki Koizumi, Hitachi, Ltd. (Japan)
Yuichi Yamashita, Hitachi, Ltd. (Japan)
Atsushi Maki, Hitachi, Ltd. (Japan)
Tsuyoshi Yamamoto, Hitachi, Ltd. (Japan)
Yoshitoshi Ito, Hitachi Ltd. (Japan)
Hiroyuki Itagaki, Hitachi, Ltd. (Japan)
Richard P. Kennan, Hitachi, Ltd. (United States)

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