Detection and detrending in fMRI data analysis.

@article{Friman2004DetectionAD,
  title={Detection and detrending in fMRI data analysis.},
  author={Ola Friman and Magnus Borga and P. Lundberg and Hans Knutsson},
  journal={NeuroImage},
  year={2004},
  volume={22 2},
  pages={645-55}
}
This article addresses the impact that colored noise, temporal filtering, and temporal detrending have on the fMRI analysis situation. Specifically, it is shown why the detection of event-related designs benefit more from pre-whitening than blocked designs in a colored noise structure. Both theoretical and empirical results are provided. Furthermore, a novel exploratory method for producing drift models that efficiently capture trends and drifts in the fMRI data is introduced. A comparison to… CONTINUE READING

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