Yamada Yuki, Miura Kayo, Kawabe Takahiro
Department of Behavioral and Health Sciences, Kyushu University, Fukuoka, Japan.
J Vis. 2011 May 11;11(6):6. doi: 10.1167/11.6.6.
When a target is presented near a leading cue stimulus, the perceived location of the target is displaced from the cue (attentional repulsion). On the other hand, a memorized target is sometimes mislocalized toward the cue (attentional attraction). The present study aimed at clarifying the temporal relationship between attentional repulsion and attentional attraction. We used a relative judgment task wherein observers judged whether the horizontal location of the target circle was displaced leftward or rightward from the location of a vertically separated probe disk. In Experiments 1 and 2, the stimulus-onset asynchrony (SOA) between the target and the probe was manipulated from 0 ms to 2000 ms. Repulsive and attractive position shifts were observed at short and long target-probe SOAs, respectively. In Experiment 3, we found that both the cue-target SOA and the target-probe SOA governed the repulsion and attraction in different ways. The results suggest that attentional repulsion and attentional attraction occur at different visual processing stages.
当一个目标出现在一个引导性线索刺激附近时，目标的感知位置会从线索处偏移（注意排斥）。另一方面，一个记忆中的目标有时会被错误定位到靠近线索的位置（注意吸引）。本研究旨在阐明注意排斥和注意吸引之间的时间关系。我们使用了一个相对判断任务，其中观察者判断目标圆的水平位置相对于垂直分开的探测盘的位置是向左还是向右偏移。在实验1和实验2中，目标与探测盘之间的刺激呈现异步（SOA）从0毫秒到2000毫秒进行了操纵。分别在短和长的目标 - 探测盘SOA时观察到排斥性和吸引性的位置偏移。在实验3中，我们发现线索 - 目标SOA和目标 - 探测盘SOA都以不同方式控制着排斥和吸引。结果表明，注意排斥和注意吸引发生在不同的视觉处理阶段。
