In vivo measurement of changes in venous blood-oxygenation with high resolution functional MRI at 0.95 tesla by measuring changes in susceptibility and velocity.

@article{Hoogenraad1998InVM,
  title={In vivo measurement of changes in venous blood-oxygenation with high resolution functional MRI at 0.95 tesla by measuring changes in susceptibility and velocity.},
  author={Frank G. C. Hoogenraad and J{\"u}rgen R. Reichenbach and E. Mark Haacke and Song Lai and K. Kuppusamy and Michael Sprenger},
  journal={Magnetic resonance in medicine},
  year={1998},
  volume={39 1},
  pages={97-107}
}
High-resolution functional imaging experiments at 0.95 Tesla have been performed to determine the changes in oxygen saturation in pial veins during motor activation by measuring both flow and susceptibility changes in the blood. Averaging across subjects, mean values for the change of the oxygenation level, deltaY = 0.16 +/- 0.08 (n = 7) and deltaY = 0.13 +/- 0.09 (n = 4), were obtained from the susceptibility sensitive and the flow sensitive acquisitions, respectively. The results suggest that… CONTINUE READING

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