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Imaging of human brain activity at 0.15 T using fluid attenuated inversion recovery (FLAIR) pulse sequences
J V Hajnal1, A G Collins, S J White
1Picker International, Wembley, Middlesex, United Kingdom.
Magnetic Resonance in Medicine
|November 1, 1993
Abstract:
A 3-4% 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.