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(a) The dichoptic binocular rivalry stimulus used to measure SEDinhibition. (b) The dichoptic phase-shifted stimulus used to measure SEDcombo. (c) An example of the RDS stimulus with different interocular contrast. Cross-fusing the left and center half-images renders the disc target to be seen in front, whereas cross-fusing the center and right half-images renders the disc target to be seen in back.
