Attentional modulation of threshold sensitivity to first-order motion and second-order motion patterns

@article{Allen2003AttentionalMO,
  title={Attentional modulation of threshold sensitivity to first-order motion and second-order motion patterns},
  author={Harriet A. Allen and Tim Ledgeway},
  journal={Vision Research},
  year={2003},
  volume={43},
  pages={2927-2936}
}
Previous studies [e.g. Vision Research 40 (2000) 173] have shown that when observers are required to selectively attend to one of two, spatially-adjacent patches containing either first-order (luminance-defined) or second-order (contrast-defined) motion, threshold sensitivity for identifying the direction of second-order motion, but not first-order motion, is enhanced for the attended stimuli. The processing of second-order motion, unlike first-order motion, may, therefore, require attention… CONTINUE READING

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