Perceived duration of visual motion increases with speed
Perceived duration of visual motion increases with speed
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DOI：
10.1167/9.7.14
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发表时间：
2009-01-01
影响因子：
1.8
通讯作者：
Murakami, Ikuya
中科院分区：
文献类型：
--
作者：
Kaneko, Sae;Murakami, Ikuya
尽管人们普遍认为移动的物体会持续更长时间，但对于这种错觉是如何发生的，科学家们还没有达成一致意见。在本研究中，我们使用了两种实验方法，即持续时间匹配和再现，并系统地操纵刺激的时间频率、空间频率和速度，以确定错觉的决定因素。我们的结果表明，刺激的速度，而不是时间频率或空间频率本身，更好地描述了运动刺激的感知持续时间，表观持续时间随着对数速度的增加而成比例增加(实验1和2)。然而，在另一项实验中，我们发现移动刺激的起始和抵消反应时几乎没有变化(实验3)。我们认为，速度信息在大脑视觉信息处理的较高阶段是明确的，我们认为这种错觉主要是通过背侧通路中较高水平的运动处理阶段来调节的。
Despite wide recognition that a moving object is perceived to last longer, scientists do not yet agree as to how this illusion occurs. In the present study, we conducted two experiments using two experimental methods, namely duration matching and reproduction, and systematically manipulated the temporal frequency, spatial frequency, and speed of the stimulus, to identify the determinant factor of the illusion. Our results indicated that the speed of the stimulus, rather than temporal frequency or spatial frequency per se, best described the perceived duration of a moving stimulus, with the apparent duration proportionally increasing with log speed (Experiments 1 and 2). However, in an additional experiment, we found little or no change in onset and offset reaction times for moving stimuli (Experiment 3). Arguing that speed information is made explicit in higher stages of visual information processing in the brain, we suggest that this illusion is primarily mediated by higher level motion processing stages in the dorsal pathway.