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posted on 20.02.2013, 16:08 by Christina Moutsiana, David T. Field, John P. Harris

The two left hand panels (1a and 2a) show motion selective voxels activated by the moving centre – static centre contrast in two example participants. The two right hand panels (1b and 2b) show the subset of motion selective voxels that did not respond to motion in the surround (see Figure 1, panel a). These “central motion only” voxels were used as ROI in the Experiments. We used a liberal criterion to locate voxels that did respond to peripheral motion, thus ensuring that even voxels with a weak direct response to the surrounds we used were excluded from the ROI. See text for details of statistical thresholds.


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