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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 52, Iss. 11 — Nov. 1, 1962
  • pp: 1296–1300

Monocular Flicker Discrimination as a Function of the Luminance and Area of Contralateral Steady Light. II. Area

BERNICE SACKS LIPKIN  »View Author Affiliations


JOSA, Vol. 52, Issue 11, pp. 1296-1300 (1962)
http://dx.doi.org/10.1364/JOSA.52.001296


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Abstract

The relation between field size and decrease in critical rate (CFF) of a flickering field stereoscopically superimposed on a contralateral steady image is reported. Two designs were used. In one, luminances spanning a 6-log-unit range were variously combined in fields which were both 1.5°, 3°, or 9° or in which the flickering field was the smaller image. The other design utilized the same luminance combinations but the flickering image was 6° and the adapting field was varied from 9° to 1.5°. Results indicate that if both fields are initially 1.5° then increasing the size of both fields or of just the adapting field does not further decrease CFF. But if the size of the flickering field is increased to 6°, CFF of the 1.5° central portion of the flicker field which appears superimposed on the 1.5° adapting field is markedly reduced, while the flickering annulus shows the threshold reduction expected with equal-sized 6° fields. The center of a fairly bright 6° flicker field viewed with an adapting field 4.5° or less and flashing at low frequencies appears steady. Several interpretations of the results (macular dominance, corresponding points, monocular cross-regional inter-action) are discussed.

Citation
BERNICE SACKS LIPKIN, "Monocular Flicker Discrimination as a Function of the Luminance and Area of Contralateral Steady Light. II. Area," J. Opt. Soc. Am. 52, 1296-1300 (1962)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-52-11-1296


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References

  1. B. S. Lipkin, J. Opt. Soc. Am. 52, 1287 (1962), hereafter called Paper I.
  2. P. Ratoosh and C. H. Graham, J. Exp. Psychol. 42, 367 (1951).
  3. F. H. Perrin, J. Opt. Soc. Am. 44, 60 (1954).
  4. Tables of area data are contained in "Monocular Critical Flicker Fusion as a Function of the Area and Intensity of a Contralateral Steady Light" which is obtainable from University Microfilms Inc., 313 No. First St., Ann Arbor, Michigan, Order No. 62–92.
  5. G. Thomas, Am. J. Psychol. 67, 632 (1954).
  6. S. W. Kuffler, in "Cold Spring Harbor Symposia on Quantitative Biology: The Neuron" (The Biological Laboratory, Cold Spring Harbor, New York, 1952), Vol. XVII, p. 281.
  7. D. H. Hubel and T. N. Wiesel, J. Physiol. 148, 574 (1959).

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