Japanese Psychological Research
Online ISSN : 1468-5884
Print ISSN : 0021-5368
EFFECTS OF INDUCING LUMINANCE AND AREA UPON THE APPARENT BRIGHTNESS OF TEST FIELD
SHUKO TORIIYASUKO UEMURA
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1965 Volume 7 Issue 2 Pages 86-100

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Abstract

The present study was designed to examine whether the apparent brightness of the test field was affected by varying the inducing field luminance and area. Binocular matching method was used. The apparent brightness of the test field was measured by the method of adjustment. The test field was disc-shaped and, in Experiment I and II, was surrounded by a contiguous annular inducing field of different areas. Effects of inducing luminance and area upon the test brightness were studied in Experiment I. In Experiment II, the test brightness surrounded by the inducing field of equal luminance was measured. It was also examined whether the apparent brightness of a field could be changed by varying its area in Experiment III.

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