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Functional brain studies with O-15 water and PET: Strategies and problems for approaching higher brain functions Toshimitsu MOMOSE 1 , Tetsuji RAI 1 , Yasuto SASAKI 1 1Department of Radiology, Faculty of Medicine, University of Tokyo pp.267-275
Published Date 1994/4/10
DOI https://doi.org/10.11477/mf.1431900527
  • Abstract
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Positron emission tomography (PET) with intravenous injection of O-15 water allows regional cerebral blood flow (rCBF) images to be obtained repeatedly within a short period of time. Sinceincreased electrical activity in a specific brain region is followed by an abrupt increase in rCBF, the technique with O-15 water and PET is suitable for functional stimulation-activation studies. In general, the images are analyzed by making a subtraction image (activation minus baseline) and then identifying the activated areas on anatomical structures.


Copyright © 1994, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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