倒立視のさいの明るさと色彩について
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概要
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Why does a view appear to us more attractive when we bend forward and look backward between the spread legs, that is, when we assume 'matanozoki-posture' (shortened as M-P infra. 'Matanozoki' is a Japanese word)? And do not the colors also appear changed?In an earlier article I have reported that under M-P the whole field of visual perception decreases its strength 9. From this point of view M-P may be considered to cause the change of 'Oberfächenfarben' (surface-colors) into the 'Flächenfarben' (film-colors) or at least the approaching of the former to the latter (that this sort of change or approaching is caused by decreasing the strength of perceptional field has already been shown by Gelb 5.) Von Allesch says, "Many specialexperiments and observations about the natural things and the paintings have shown that the especially aesthetic appearance of a color is that of Flächenfarbe……" 1. This fact enables us to understand how a more attractive view is obtained under M-P. Thus, if the Oberflächentarben turn into, or approach to, the Flächenfarben when we assume M-P, may we not think the degree of color-saturation in this case has been increased?But before we undertake to solve this problem, it would be better for us to investigate what change of brightness may take place under M-P, because a color has always a certain degree of brightness.I investigated the change of birghtness in the case of M-P by making use of two color-mixers and Japauese standard colored-papers. According to the results of these experiments the degree of brightness alnays increases under M-P. This fact may also be due to the decreasing of the strength of perceptional field.Then, I performed several experiments on colors by using Japanese standard colored papers and found that saturation of two lighter colors yellow and bitter orange, increased under M-P, but with respect to other colors the result was not so definite.
- 公益社団法人 日本心理学会の論文