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Example saccade and vergence position and velocity signals from a subject performing right (A) and left (B) saccades combined with divergence in the gap task. In both cases, the subject made a corrective saccade. The main and the corrective saccades did not perturb vergence smoothness in the first case (A) while they caused a local change in vergence direction in the second case (B) as indicated by the disconjugate velocity signal (see the text for more details).
