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. Author manuscript; available in PMC: 2013 Mar 1.
Published in final edited form as: Neuropsychologia. 2011 Sep 17;50(4):514–521. doi: 10.1016/j.neuropsychologia.2011.09.016

Figure 1.

Figure 1

Stimulus displays and cortical regions of interest. (a) First-order motion stimulus with sinusoidal variations in luminance. (b) Second-order motion stimulus with variations in contrast in the absence of overall variations in luminance. For both displays, rotational motion could occur either clockwise or counterclockwise. Note that the rotation of the sinusoidal contrast modulation is perpendicular to the local orientation of the concentric ring pattern. (c) Visual areas of interest for a representative participant, with activations plotted for the localizer scan.