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Examples of line stimuli used in the experiments. The members of the upper pair, A and B, are transected to the left (by −0.89° and −0.10°, respectively). The members of the lower pair, D and E, are transected to the right of veridical center (by +0.89° and +0.39°, respectively). Line C is veridically transected. The members of line pairs AB and DE differ in contrast polarity.
