On the origin of respiratory artifacts in BOLD-EPI of the human brain.

@article{Windischberger2002OnTO,
  title={On the origin of respiratory artifacts in BOLD-EPI of the human brain.},
  author={Christian Windischberger and Herbert Langenberger and Thomas Sycha and Edda M. Tschernko and Gabriele Fuchsj{\"a}ger-Mayerl and Leopold Schmetterer and Ewald Moser},
  journal={Magnetic resonance imaging},
  year={2002},
  volume={20 8},
  pages={575-82}
}
BOLD-based functional MRI (fMRI) can be used to explicitly measure hemodynamic aspects and functions of human neuro-physiology. As fMRI measures changes in regional cerebral blood flow and volume as well as blood oxygenation, rather than neuronal brain activity directly, other processes that may change the above parameters have to be examined closely to assess sensitivity and specificity of fMRI results. Physiological processes that can cause artifacts include cardiac action, breathing and… CONTINUE READING

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