Visualization of Haemoglobin Oxygen Saturation of Brain

Shinohara, Yukito; Haida, M; Shinohara, Nobuhiro; Kawaguchi, Humio; Ito, Yoshitoshi; Yamashita, Yuichi; Maki, Atsushi; Hirabayashi, Yukiko

doi:10.3154/jvs.14.224

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1999

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“…This important issue has been addressed in a number of recent studies. Early on, we have performed experiments with rats, [34][35][36] cats and baby pigs 40 utilizing transmission-type NIRS imaging with timeresolved spectroscopy which confirm that light can penetrate across the animal head (optical CT). In the case of the pig brain, which is comparable in size to the human infant, it took considerable time for measurement (at least 30 min per image).…”

Section: Light Penetrationmentioning

confidence: 99%

Higher-Order Brain Function Analysis by Trans-Cranial Dynamic Near-Infrared Spectroscopy Imaging

et al. 1999

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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. © 1999 Society of Photo-Optical Instrumentation Engineers.

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Section: Light Penetrationmentioning

confidence: 99%