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. Author manuscript; available in PMC: 2013 Feb 1.
Published in final edited form as: Neuroimage. 2011 Sep 22;59(3):2339–2348. doi: 10.1016/j.neuroimage.2011.09.018

Figure 6.

Figure 6

The median angle exhibits an inverse relation with both mean BOLD amplitude (panel a) and global signal amplitude (panel c). The vertical dashed line in panel a indicates the minimum mean BOLD amplitude, while the horizontal dashed line indicates the linear fit median angle value corresponding to this amplitude. A vector plot (panel c) based on the median angle and mean BOLD amplitudes emphasizes that the length of the vector increases as the median angle decreases. The mean BOLD amplitude and global signal amplitude are strongly correlated as shown in panel d.