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. Author manuscript; available in PMC: 2014 Nov 13.
Published in final edited form as: Neuroimage. 2011 Jul 29;59(1):846–852. doi: 10.1016/j.neuroimage.2011.07.063

Figure 3.

Figure 3

The real-time fMRI system. A real-time fMRI system was used to monitor the brain signal in individual PPA ROIs. Individual’s PPA regions were spatially normalized, and averaged to create a probabilistic map of PPA ROI across participants for this figure (regions in red are voxels that were in at least 30% of participants). Example from one participant plotted on the graph with PPA signal (red line) and the reference ROI signal (blue line). Whenever PPA ROI signal was less or more than reference ROI signal by an amount greater than the participant-specific threshold, a “good” or “bad” brain state trigger was issued to the stimulus presentation computer. When there was a “good” or “bad” trigger, a scene was presented for 1s and participants were asked to label the scene as indoor or outdoor.