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Imaging of human brain activity at 0.15 T using fluid attenuated inversion recovery (FLAIR) pulse sequences
Author(s) -
Hajnal Joseph V.,
Collins Alan G.,
White Susan J.,
Pennock Jacqueline M.,
Oatridge Angela,
Baudouin Christine J.,
Young Ian R.,
Bydder Graeme M.
Publication year - 1993
Publication title -
magnetic resonance in medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.696
H-Index - 225
eISSN - 1522-2594
pISSN - 0740-3194
DOI - 10.1002/mrm.1910300520
Subject(s) - fluid attenuated inversion recovery , nuclear magnetic resonance , pulse (music) , pulse sequence , stimulation , nuclear medicine , significant difference , chemistry , magnetic resonance imaging , medicine , physics , optics , radiology , detector
A 34% change in signal intensity correlated with visual stimulation was observed in the occipital lobes of three normal volunteers examined with MRI at 0.15 T using fluid attenuated inversion recovery pulse sequences. Similar results were observed at 1.0 T. A double difference technique in which difference images are themselves opposed provided an increase in sensitivity.