Respiration-induced B0 fluctuations and their spatial distribution in the human brain at 7 Tesla.

@article{Moortele2002RespirationinducedBF,
  title={Respiration-induced B0 fluctuations and their spatial distribution in the human brain at 7 Tesla.},
  author={Pierre-François Van de Moortele and Josef Pfeuffer and Gary H. Glover and Kamil Ugurbil and Xiaoping Hu},
  journal={Magnetic resonance in medicine},
  year={2002},
  volume={47 5},
  pages={
          888-95
        }
}
In functional magnetic resonance imaging (fMRI), it is known that physiological influences such as cardiac pulsation, respiration, and brain motion can induce fluctuations in signal intensity and phase. Some of the mechanisms potentially involved in those phenomena are expected to be amplified at higher magnetic fields. This study addresses the issue of B(0) fluctuations induced by susceptibility changes during respiration attributed to movements of chest and diaphragm, and variations in the… CONTINUE READING
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