Temporal selection is suppressed, delayed, and diffused during the attentional blink
Temporal selection is suppressed, delayed, and diffused during the attentional blink
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DOI：
10.1111/j.1467-9280.2008.02046.x
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发表时间：
2008-01-01
影响因子：
8.2
通讯作者：
Kanwisher, Nancy
中科院分区：
文献类型：
--
作者：
Vul, Edward;Nieuwenstein, Mark;Kanwisher, Nancy
时间选择是如何工作的，以及它在一个实例与下一个实例之间在哪些维度上发生变化？我们利用时间选择出错的现象来探讨这些问题。在注意力眨眼中，当受试者出现大约 200 至 500 毫秒的刺激起始异步 (SOA) 时，受试者无法报告一对目标中的第二个目标（T1 和 T2）。我们通过分析快速项目呈现的干扰物入侵来直接测试眨眼期间时间选择的特性。我们的分析表明，在注意眨眼期间，注意力选择（a）被抑制，（b）被延迟，（c）被及时扩散。这些影响按其时间进程分离：每个影响的度量返回到不同 SOA 处的基线值。我们的结果限制了注意眨眼的理论，并表明时间选择至少沿着三个可分离的维度变化：功效、潜伏期和精确度。
How does temporal selection work, and along what dimensions does it vary from one instance to the next? We explored these questions using a phenomenon in which temporal selection goes awry. In the attentional blink, subjects fail to report the second of a pair of targets (T1 and T2) when they are presented at stimulus onset asynchronies (SOAs) of roughly 200 to 500 ms. We directly tested the properties of temporal selection during the blink by analyzing distractor intrusions at a fast rate of item presentation. Our analysis shows that attentional selection is (a) suppressed, (b) delayed, and (c) diffused in time during the attentional blink. These effects are dissociated by their time course: The measure of each effect returns to the baseline value at a different SOA. Our results constrain theories of the attentional blink and indicate that temporal selection varies along at least three dissociable dimensions: efficacy, latency, and precision.