The question whether multiple objects are selected serially or in parallel remains contentious. Previous studies employed the N2pc component as a marker of attentional selection to show that multiple selection processes can be activated concurrently. The present study demonstrates that the concurrent selection of multiple targets reflects genuinely parallel processing that is unaffected by whether or when an additional selection process is elicited simultaneously for another target. Experiment 1 showed that N2pc components triggered during the selection of a colour-defined target were not modulated by the presence versus absence of a second target that appeared in close temporal proximity. Experiment 2 revealed that the same rapid parallel selection processes were elicited regardless of whether two targets appeared simultaneously or in two successive displays. Results show that rapid attentional selection processes within the first 200ms after stimulus onset can be triggered in parallel for multiple objects in the visual field.

中文翻译：

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多个目标的快速注意力选择过程独立并行运行

多个对象是串行选择还是并行选择的问题仍然存在争议。以前的研究使用 N2pc 组件作为注意力选择的标记，以表明可以同时激活多个选择过程。本研究表明，多个目标的同时选择反映了真正的并行处理，不受是否或何时为另一个目标同时引发额外选择过程的影响。实验 1 表明，在选择颜色定义的目标期间触发的 N2pc 组件不受时间上很接近的第二个目标的存在与否的调节。实验 2 表明，无论两个目标是同时出现还是在两个连续显示中出现，都会引发相同的快速并行选择过程。结果表明，在刺激开始后的前 200 毫秒内，可以同时触发视野中多个物体的快速注意选择过程。