Adaptation and perceptual norms in color vision.

  title={Adaptation and perceptual norms in color vision.},
  author={Michael A. Webster and Deanne Leonard},
  journal={Journal of the Optical Society of America. A, Optics, image science, and vision},
  volume={25 11},
Many perceptual dimensions are thought to be represented relative to an average value or norm. Models of norm-based coding assume that the norm appears psychologically neutral because it reflects a neutral response in the underlying neural code. We tested this assumption in human color vision by asking how judgments of "white" are affected as neural responses are altered by adaptation. The adapting color was varied to determine the stimulus level that did not bias the observer's subjective… CONTINUE READING