Gradient echo time dependence and quantitative parameter maps for somatosensory activation in rats at 7 T.

@article{Grne1999GradientET,
  title={Gradient echo time dependence and quantitative parameter maps for somatosensory activation in rats at 7 T.},
  author={M Gr{\"u}ne and Frank Pillekamp and Wolfram Schwindt and Mathias Hoehn},
  journal={Magnetic resonance in medicine},
  year={1999},
  volume={42 1},
  pages={118-26}
}
The dependence of functional magnetic resonance imaging (MRI) contrast on the gradient echo time TE in T2*-weighted blood oxygenation level-dependent (BOLD) fast low-angle shot (FLASH) imaging has been studied at 7 T for electrical forepaw stimulation in alpha-chloralose anesthetized rats. The observed variation of both the activation signal intensity and spatial pattern with echo time TE, resulting from the regional heterogeneity of T2*, was assessed by the calculation of quantitative T2* and… CONTINUE READING

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