Abstract

The effects of changes in the luminance of the stimulus and the surround on hue discrimination were experimentally investigated, using the method of constant stimuli. All observations were made at 550 mμ; the standard deviation was used as the measure of sensitivity. Surround luminance was found to have no effect on hue discrimination until the surround had three or more times the luminance of the stimulus. As the surround to stimulus ratios increased, the threshold rose sharply. Increase of the stimulus intensity over a range of 1.5 log units from the photopic threshold increased the discrimination threshold by an average of only about 2 mμ.

© 1964 Optical Society of America

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References

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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef] [PubMed]

1962 (2)

1961 (1)

P. W. Cobb, J. Exptl. Psychol. 1, 540 (1961).
[CrossRef]

1956 (1)

P. J. Foley, Can. J. Psych. 10, 200 (1956).
[CrossRef]

1955 (1)

1935 (1)

G. A. Fry and S. H. Bartley, Am. J. Phsyiol. 112, 414 (1935).

1934 (1)

W. D. Wright and F. H. G. Pitt, Proc. Phys. Soc. (London) 46, 459 (1934).
[CrossRef]

1931 (2)

D. McL. Purdy, Am. J. Psychol. 43, 541 (1931).
[CrossRef]

D. McL. Purdy, Brit. J. Psychol. 21, 283 (1931).

1928 (1)

P. W. Cobb and F. K. Moss, J. Franklin Inst. 205, No. 6, 831 (1928).
[CrossRef]

1923 (1)

H. Laurens and W. F. Hamilton, Am. J. Physiol. 65, 547 (1923).

1917 (1)

1914 (1)

P. W. Cobb, Psychol. Rev. 21, 23 (1914).
[CrossRef]

1913 (1)

P. W. Cobb and L. R. Geissler, Psychol. Rev. 20, 425 (1913).
[CrossRef]

Bartley, S. H.

G. A. Fry and S. H. Bartley, Am. J. Phsyiol. 112, 414 (1935).

Bishop, H. P.

H. P. Bishop and M. N. Crook, Tech. Rept. 60-611, Wright Air Development Division, Wright Patterson Air Force Base, Ohio, March1961.

Cobb, P. W.

P. W. Cobb, J. Exptl. Psychol. 1, 540 (1961).
[CrossRef]

P. W. Cobb and F. K. Moss, J. Franklin Inst. 205, No. 6, 831 (1928).
[CrossRef]

P. W. Cobb, Psychol. Rev. 21, 23 (1914).
[CrossRef]

P. W. Cobb and L. R. Geissler, Psychol. Rev. 20, 425 (1913).
[CrossRef]

Crook, M. N.

H. P. Bishop and M. N. Crook, Tech. Rept. 60-611, Wright Air Development Division, Wright Patterson Air Force Base, Ohio, March1961.

Dimmick, F. L.

Foley, P. J.

P. J. Foley, Can. J. Psych. 10, 200 (1956).
[CrossRef]

Fry, G. A.

G. A. Fry and S. H. Bartley, Am. J. Phsyiol. 112, 414 (1935).

Geissler, L. R.

P. W. Cobb and L. R. Geissler, Psychol. Rev. 20, 425 (1913).
[CrossRef]

Hamilton, W. F.

H. Laurens and W. F. Hamilton, Am. J. Physiol. 65, 547 (1923).

Jones, L. A.

Kinney, J. S.

Laurens, H.

H. Laurens and W. F. Hamilton, Am. J. Physiol. 65, 547 (1923).

Lythgoe, R. J.

R. J. Lythgoe and K. Tansley, Med. Res. Counc, Spec. Rept. Ser. No. 134, London (1929).

R. J. Lythgoe, Med. Res. Counc, Spec. Rept. Ser. No. 173, London (1932).

Moss, F. K.

P. W. Cobb and F. K. Moss, J. Franklin Inst. 205, No. 6, 831 (1928).
[CrossRef]

Pitt, F. H. G.

W. D. Wright and F. H. G. Pitt, Proc. Phys. Soc. (London) 46, 459 (1934).
[CrossRef]

Purdy, D. McL.

D. McL. Purdy, Am. J. Psychol. 43, 541 (1931).
[CrossRef]

D. McL. Purdy, Brit. J. Psychol. 21, 283 (1931).

Siegel, M. H.

Tansley, K.

R. J. Lythgoe and K. Tansley, Med. Res. Counc, Spec. Rept. Ser. No. 134, London (1929).

Wright, W. D.

W. D. Wright and F. H. G. Pitt, Proc. Phys. Soc. (London) 46, 459 (1934).
[CrossRef]

Am. J. Phsyiol. (1)

G. A. Fry and S. H. Bartley, Am. J. Phsyiol. 112, 414 (1935).

Am. J. Physiol. (1)

H. Laurens and W. F. Hamilton, Am. J. Physiol. 65, 547 (1923).

Am. J. Psychol. (1)

D. McL. Purdy, Am. J. Psychol. 43, 541 (1931).
[CrossRef]

Brit. J. Psychol. (1)

D. McL. Purdy, Brit. J. Psychol. 21, 283 (1931).

Can. J. Psych. (1)

P. J. Foley, Can. J. Psych. 10, 200 (1956).
[CrossRef]

J. Exptl. Psychol. (1)

P. W. Cobb, J. Exptl. Psychol. 1, 540 (1961).
[CrossRef]

J. Franklin Inst. (1)

P. W. Cobb and F. K. Moss, J. Franklin Inst. 205, No. 6, 831 (1928).
[CrossRef]

J. Opt. Soc. Am. (4)

Proc. Phys. Soc. (London) (1)

W. D. Wright and F. H. G. Pitt, Proc. Phys. Soc. (London) 46, 459 (1934).
[CrossRef]

Psychol. Rev. (2)

P. W. Cobb and L. R. Geissler, Psychol. Rev. 20, 425 (1913).
[CrossRef]

P. W. Cobb, Psychol. Rev. 21, 23 (1914).
[CrossRef]

Other (4)

R. J. Lythgoe, Med. Res. Counc, Spec. Rept. Ser. No. 173, London (1932).

R. J. Lythgoe and K. Tansley, Med. Res. Counc, Spec. Rept. Ser. No. 134, London (1929).

H. P. Bishop and M. N. Crook, Tech. Rept. 60-611, Wright Air Development Division, Wright Patterson Air Force Base, Ohio, March1961.

M. H. Siegel, J. Opt. Soc. Am.54 (to be published).

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Figures (2)

F. 1
F. 1

Standard deviations in mμ as a function of stimulus to surround ratio for three levels of stimulus luminance. ○—○ 0.06 ft-L, ×—× 0.2 ft-L, ●—● 2.0 ft-L.

F. 2
F. 2

Standard deviations in mμ, averaged for observers, as a function of stimulus to surround ratio for three levels of stimulus luminance. ○—○ 0.06 ft-L, ×—× 0.2 ft-L, ●—● 2.0 ft-L.