Selective Attention Warps Spatial Representation
Brandon M. Liverence, Brian J. Scholl
Psychological Science · 2011 · Volume 22 · Issue 12
Abstract
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.
Keywords
spatial perception, multiple-object tracking, attention
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