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. Author manuscript; available in PMC: 2010 Nov 1.
Published in final edited form as: J Cogn Neurosci. 2010 Nov;22(11):2417–2426. doi: 10.1162/jocn.2009.21391

Figure 4. Visual stimuli and fMRI results for the collinearity experiment.

Figure 4

In the collinearity experiment, stimuli consisted of 16 gabors. In the SEQ condition, one fourth of the stimulus was presented at a time (A, gray dashed line). The orientation of the gabors was either random (A), or four of the gabors were aligned (B) forming a horizontal or vertical line. (C) Mean signal changes for each area, defined as described in Fig. 2 (n=12). (B) Sensory suppression indexes for the two perceptual organization conditions. Vertical bars indicate SEM, *=p<.05, **=p<.01, ***=p<.001.