The effects of surround contrast on contrast thresholds, perceived contrast and contrast discrimination

@article{Snowden1998TheEO,
  title={The effects of surround contrast on contrast thresholds, perceived contrast and contrast discrimination},
  author={Robert J. Snowden and Stephen T. Hammett},
  journal={Vision Research},
  year={1998},
  volume={38},
  pages={1935-1945}
}
Perceived contrast, contrast detection thresholds and contrast discrimination thresholds were measured in the presence and absence of surrounding patterns of a similar spatio-temporal makeup. In the foveal retina we found that the perceived contrast of the central pattern was reduced by the presence of the contrast surrounds with the effect being greatest at low test contrast. Detection thresholds were not affected and contrast discrimination thresholds were only affected over a small range of… CONTINUE READING
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