The non-separability of physiologic noise in functional connectivity MRI with spatial ICA at 3T.

@article{Beall2010TheNO,
  title={The non-separability of physiologic noise in functional connectivity MRI with spatial ICA at 3T.},
  author={Erik B. Beall and Mark J. Lowe},
  journal={Journal of neuroscience methods},
  year={2010},
  volume={191 2},
  pages={263-76}
}
The impact of physiologic noise on spatial ICA analyses of resting state BOLD-weighted MRI data is investigated. Using FastICA and Infomax ICA, two common ICA algorithms, we apply a group spatial ICA method across multiple subjects. We compare the spatial maps from five commonly identified functional networks and show that physiologic noise correction techniques introduce significant changes in the spatial ICA decomposition of all five networks, greater than the changes introduced by either… CONTINUE READING
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