Department of Psychology, Yale University, Box 208205, New Haven, CT 06520-8205, USA.
Psychol Sci. 2011 Dec;22(12):1600-8. doi: 10.1177/0956797611422543. Epub 2011 Nov 17.
Selective attention not only influences which objects in a display are perceived, but also directly changes the character of how they are perceived--for example, making attended objects appear larger or sharper. In studies of multiple-object tracking and probe detection, we explored the influence of sustained selective attention on where objects are seen to be in relation to each other in dynamic multi-object displays. Surprisingly, we found that sustained attention can warp the representation of space in a way that is object-specific: In immediate recall of the positions of objects that have just disappeared, space between targets is compressed, whereas space between distractors is expanded. These effects suggest that sustained attention can warp spatial representation in unexpected ways.
选择性注意不仅影响到人们感知到的显示中的哪些对象，而且直接改变了感知这些对象的方式，例如，使被注意的对象看起来更大或更清晰。在多目标跟踪和探针检测的研究中，我们探讨了持续选择性注意对动态多目标显示中对象之间相对位置的影响。令人惊讶的是，我们发现持续的注意力可以以特定于对象的方式扭曲空间的表示：在对刚刚消失的物体位置的即时回忆中，目标之间的空间被压缩，而干扰物之间的空间被扩大。这些效应表明，持续的注意力可以以出人意料的方式扭曲空间表示。
