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. Author manuscript; available in PMC: 2018 Jan 15.
Published in final edited form as: Neuroimage. 2016 Mar 23;145(Pt B):365–376. doi: 10.1016/j.neuroimage.2016.03.038

Figure 1.

Figure 1

Preprocessing pipelines tested in this study. Before estimating rsFNC, a set of preprocessing steps must be applied to the raw fMRI data. The initial steps labeled as STRCoN correspond to slice-timing correction, rigid body realignment for motion, co-registration, spatial normalization, and transformation to the MNI standard space. The step labeled MotReg corresponds with removal of motion variance through regression. Step SpkReg indicates orthogonalization with respect to spike regressors. When spike and motion regressions were necessary, they were performed in one single regression step called SpkMotReg. The label Smooth-gICA indicates that smoothing and group ICA were performed. The final step on each pipeline is Filter, where a pass-band filter is applied. Four different pipelines named PA, PB, PC and PD were considered with different order of steps as displayed in this figure.