Perceptual learning in contrast detection: presence and cost of shifts in response criteria.

@article{Wenger2006PerceptualLI,
  title={Perceptual learning in contrast detection: presence and cost of shifts in response criteria.},
  author={Michael J. Wenger and Christoph Rasche},
  journal={Psychonomic bulletin & review},
  year={2006},
  volume={13 4},
  pages={656-61}
}
Contemporary theoretical accounts of perceptual learning typically assume that observers are either unbiased or stably biased across the course of learning. However, standard methods for estimating thresholds, as they are typically used, do not allow this assumption to be tested. We present an approach that allows for this test specific to perceptual learning for contrast detection. We show that reliable decreases in detection thresholds and increases in hit rates are not uniformly accompanied… CONTINUE READING

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