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Frequency of correct responses (black lines), pre-target intrusions (green lines) and post-target intrusions (orange lines) in Experiment 1, as a function of the distractor condition (pre-target digit vs. post-target digit) and the number of streams (1 vs. 2). Error bars denote one standard error. The dotted lines represent baseline accuracy (i.e., no pre/post-target digit distractors) based on the number of streams.
