Chronological analysis of physiological T2* signal change in the cerebrum during breath holding.

@article{Nakada2001ChronologicalAO,
  title={Chronological analysis of physiological T2* signal change in the cerebrum during breath holding.},
  author={Koichi Nakada and Daisuke Yoshida and Masahiro Fukumoto and Shoji Yoshida},
  journal={Journal of magnetic resonance imaging : JMRI},
  year={2001},
  volume={13 3},
  pages={344-51}
}
The purpose of this study was to examine which physiological factors affect cerebral T2* signal intensity (SI) during breath holding (BH) (apnea after inspiration and breathing after expiration) in normal volunteers. We examined SI changes caused by anoxic gas inhalation, by respiratory movements, and by BH. High-speed echo planar images (EPI) showed changes in SI that could be divided into five phases. Reports indicate that SI changes induced by BH are due to the effects on the magnetic… CONTINUE READING
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