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Cumulative percent probabilities in SRT for participants with PD. (A) Pro-saccade, video; (B) pro-saccade, dance; (C) anti-saccade, video; (D) anti-saccades, dance. Positive Y values indicate correct saccades, and negative Y values indicate direction errors. SRT (X axis) begins 200 ms before target onset to include anticipatory saccades. Shading indicates standard error.
