Study of CBF dynamics by using optical topography (NIRS)

Research Project

Project/Area Number	14570622
Research Category	Grant-in-Aid for Scientific Research (C)
Allocation Type	Single-year Grants
Section	一般
Research Field	Neurology
Research Institution	Tokai University
Principal Investigator	HAIDA Mumetaka Tokai University, School of Medicine, Professor, 医学部, 教授 (20208408)
Project Period (FY)	2002 – 2003
Project Status	Completed (Fiscal Year 2003)
Budget Amount *help	¥1,300,000 (Direct Cost: ¥1,300,000) Fiscal Year 2003: ¥700,000 (Direct Cost: ¥700,000) Fiscal Year 2002: ¥600,000 (Direct Cost: ¥600,000)
Keywords	Optical topography / Near Infrared Light / Optical path length / Activation of brain / Measurement of brain function / PMS / 位相変調法 / 脳内ヘモグロビン / 絶対値測定
Research Abstract	2002 : I tried to measure an absolute value of hemoglobin concentration of the human brain tissue by using phase modulating system (PMS), which was developed by HMAMATSU PHOTONICS, Japan. I measured several cases of brain hemoglobin, but obtained data had not enough stability. 2003 : I made an attempt to measure the path length of optical topography, which was measured by using the equipment, ETG-100, developed by HITACHI MEDICAL CORPORATION, Japan. The optical path length was measured by using PMS system. The path length corrected optical topography had higher contrast and spatial resolution than non-corrected topography.