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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 59, Iss. 7 — Jul. 1, 1969
  • pp: 872–873

Stabilized Images: Increment Thresholds and Subjective Brightness

J. M. B. SPARROCK  »View Author Affiliations


JOSA, Vol. 59, Issue 7, pp. 872-873 (1969)
http://dx.doi.org/10.1364/JOSA.59.000872


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Abstract

Changes of brightness sensation (fading) that occur when images are stabilized on the retina were measured with a matching technique. Increment thresholds were measured under the same conditions. Under stabilization, the increment threshold is proportional to stimulus level (Weber’s law). Increment thresholds change at a different rate than does brightness; this suggests that these mechanisms behave independently.

Citation
J. M. B. SPARROCK, "Stabilized Images: Increment Thresholds and Subjective Brightness," J. Opt. Soc. Am. 59, 872-873 (1969)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-59-7-872


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References

  1. R. W. Ditchburn and B. L. Ginsborg, Nature 170, 36 (1952).
  2. L. A. Riggs, F. Ratliff, J. C. Cornsweet, and T. N. Cornsweet, J. Opt. Soc. Am. 43, 495 (1953).
  3. H. B. Barlow, Quart. J. Expl. Psychol. 15, 36 (1963).
  4. H. B. Barlowv and J. M. B. Sparrock, Science 144, 1309 (1964).
  5. H D. Faker, J. Opt. Soc. Am. 53, 98 (1963).

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