The Spatial Resolution of Visual Attention

@article{Intriligator2001TheSR,
  title={The Spatial Resolution of Visual Attention},
  author={James Intriligator and Patrick Cavanagh},
  journal={Cognitive Psychology},
  year={2001},
  volume={43},
  pages={171-216}
}
Two tasks were used to evaluate the grain of visual attention, the minimum spacing at which attention can select individual items. First, observers performed a tracking task at many viewing distances. When the display subtended less than 1 degrees in size, tracking was no longer possible even though observers could resolve the items and their motions: The items were visible but could not be individuated one from the other. The limiting size for selection was roughly the same whether tracking… CONTINUE READING

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