After-images on backgrounds of different luminance: a new phenomenon and a hypothesis.

@article{Carpenter1972AfterimagesOB,
  title={After-images on backgrounds of different luminance: a new phenomenon and a hypothesis.},
  author={Roger H. S. Carpenter},
  journal={The Journal of physiology},
  year={1972},
  volume={226 3},
  pages={
          713-24
        }
}
1. After-images may be caused to vanish suddenly and reversibly by viewing them against a background of suitable luminance I(e).2. The value of I(e) at any moment is not related to any parameter (intensity, colour, duration, time) describing the stimulus that caused the after-image.3. On the other hand, I(e) is very closely related to the immediate adaptational history of the eye, so that viewing a dark background for a few seconds lowers, and a light one raises, the value of I(e).4. It is… CONTINUE READING
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