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Multi-frame stimuli used in Experiment 5. Time advances from left to right, and each rectangle represents an animation frame. Top: Two-stroke display containing seven animation frames. The bar in each frame rotates from one frame to the next; CW rotations occur without a blank ISI, while CCW rotations occur with an intervening ISI. Bottom: Corresponding control display containing five animation frames, which contains the same number of position changes but without intervening ISIs.
