The Effect of Attentional Spread on Spatial Resolution

@article{Balz1997TheEO,
  title={The Effect of Attentional Spread on Spatial Resolution},
  author={Gunther W. Balz and Howard S. Hock},
  journal={Vision Research},
  year={1997},
  volume={37},
  pages={1499-1510}
}
The effects of attentional spread were studied by having subjects detect a luminance increment along a row of evenly spaced dots. The increment could occur for the central, fixated dot (Narrow Attention) or for either the fixation dot or one of the four dots to its left or right (Broad Attention). Narrow Attention enhanced the detection of luminance increments for the fixated dot, and also enhanced spatial resolution near the fixation dot for judgments of vernier alignment and separation. This… CONTINUE READING
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