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. Author manuscript; available in PMC: 2013 Aug 2.
Published in final edited form as: Neuroimage. 2010 Aug 1;54(1):361–368. doi: 10.1016/j.neuroimage.2010.07.060

Figure 1.

Figure 1

Schematic demonstrating the moment to moment activation estimation method. The activation estimate at time t is the difference between the data at t and the model reconstruction using only nuisance bases However, the full model fit y^ is still computed 1) so that the residual error in the model fit can be used to estimate the efficiency of the voxel signal and 2) so that the timecourse variance associated with task-related neural signals is not attributed to drift, which would bias the model fit.