ICA Denoising for Event-Related fMRI Studies

  title={ICA Denoising for Event-Related fMRI Studies},
  author={M. J. McKeown and Yong-jie Hu and Z. J. Wang},
  journal={2005 IEEE Engineering in Medicine and Biology 27th Annual Conference},
The poor SNR of fMRI data requires that many repetitive trials be performed during an event-related experiment to obtain statistically significant levels of inferred brain activity. This is costly in terms of scanner time, necessitates that subjects perform the behavioural task(s) for long durations which may induce fatigue, and vastly increases the amount of data generated. In this paper, we present a method to enhance the statistical effect size using ICA, so that the same level of… CONTINUE READING
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The choice of basis functions in event - related fMRI

  • R. N. Henson, M. D. Rugg, K. J. Friston
  • Neuroimage
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