Abstract

A single-factor depression model, derived from data on the effects of extraneous stimulation on the CFF, is used to predict an interaction between surround luminance and the light time fraction for square-wave flicker. The prediction is fulfilled for surrounds of the same Talbot luminance as the target. For surrounds brighter than the target, the results are equivocal.

© 1963 Optical Society of America

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References

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  1. G. A. Fry and S. H. Bartley, J. Exptl. Psych. 19, 351 (1936).
    [Crossref]
  2. H. Ripps, I. T. Kaplan, and I. M. Siegel, J. Opt. Soc. Am. 51, 870 (1961).
    [Crossref] [PubMed]
  3. P. J. Foley, J. Opt. Soc. Am. 53, 497 (1963).
    [Crossref] [PubMed]
  4. P. J. Foley, J. Opt. Soc. Am. 51, 737 (1961).
    [Crossref] [PubMed]
  5. S. H. Bartley and T. M. Nelson, J. Opt. Soc. Am. 51, 41 (1961).
    [Crossref] [PubMed]
  6. Reference 2, p. 873.

1963 (1)

1961 (3)

1936 (1)

G. A. Fry and S. H. Bartley, J. Exptl. Psych. 19, 351 (1936).
[Crossref]

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Figures (4)

Fig. 1
Fig. 1

Difference in critical flicker frequency, in cycles per second between a target with a surround and one with no surround, for three light time fractions.

Fig. 2
Fig. 2

Mean CFF in cycles per second, for three subjects, for each of three surround luminances, as a function of the light time fraction.

Fig. 3
Fig. 3

Difference in critical flicker frequency between a 0.69 log mL target with a 0.69 log mL surround, and the same target with a 1 ¯ .69 log mL surround, for each of three subjects, as a function of the light time fraction.

Fig. 4
Fig. 4

Difference in critical flicker frequency between a 0.69 log mL target with a 1.69 log mL surround, and the same target with a 1 ¯ .69 log mL surround, for each of three subjects, as a function of the light time fraction.

Tables (2)

Tables Icon

Table I Mean CFF, for each of three subjects, for a target with no surround and with a surround equal to the Talbot luminance of the target, for each of three light time fractions.

Tables Icon

Table II Mean CFF, in cycles per second, for each of three subjects, and for each of seven light time fractions, tested under three conditions of surround luminance.