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Quantification of relative cerebral blood flow change by flow‐sensitive alternating inversion recovery (FAIR) technique: Application to functional mapping

Kim, Seong‐Gi·1995·Magnetic Resonance in Medicine

Abstract

Relative cerebral blood flow changes can be measured by a novel simple blood flow measurement technique with endogenous water protons as a tracer based on flow‐sensitive alternating inversion recovery (FAIR). Two inversion recovery (IR) images are acquired by interleaving slice‐selective inversion and nonselective inversion. During the inversion delay time after slice‐selective inversion, fully magnetized blood spins move into the imaging slice and exchange with tissue water. The signal enhancement (FAIR image) measured by the signal difference between two images is directly related to blood flow. For functional MR imaging studies, two IR images are alternatively and repeatedly acquired during control and task periods. Relative signal changes in the FAIR images during the task periods represent the relative regional cerebral blood flow changes. The FAIR technique has been successfully applied to functional brain mapping studies in humans during finger opposition movements. The technique is capable of generating microvascular‐based functional maps.

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Metadata

Authors
Kim, S.
Venue
Magnetic Resonance in Medicine
Publisher
Wiley
Published
1995-09
Volume
34
Issue
3
Pages
293-301
ISSN
  • 0740-3194 (ISSN-L)
  • 1522-2594
OpenAlex
W2021496866
Cited by
1,001
References
9
FWCI
24.66
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Quantification of relative cerebral blood flow change by flow‐sensitive alternating inversion recovery (FAIR) technique: Application to functional mapping. https://app.cochat.ai/papers/10.1002/mrm.1910340303
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Kim, S. (1995). Quantification of relative cerebral blood flow change by flow‐sensitive alternating inversion recovery (FAIR) technique: Application to functional mapping. Magnetic Resonance in Medicine. https://doi.org/10.1002/mrm.1910340303

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