図形残効と同時錯視における変位効果の比較--時間的要因について-2-

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概要

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• If various visual phenomena are interpreted in terms of the field of the figure in visual perception, such phenomena as figural after-effects and simultaneous illusions can be considered in a unified manner to be based on the interaction of the changes of the field evoked by the presen tation and removal of two different figures.Attempts were made in this study to analyse the temporal factors concerned with such phenomena. It was experimentally investigated how changes in the field of the figure would reveal in terms of the displacement effect as the time elapsed after the presentation or removal of figures.A measurement was taken on the process of gradual change in the mode of appearance of displacement effect which was evoked along with the development of the field after the presentation of figures in the situation of simultaneous illusions. Changes in the displacement effect were studied in several cases of different relative relations between the field forces of two figures.Next, in the situation of figural after-effects, the quantity of the after-effects was measured at various parts around the figure. The result indicates that the maximum point of the quantity of after-effects in the so-called distance-paradox phenomena was determined not only by the relative size and position of the inspection and the test figure but also by the factor of lapse after the removal of the inspection figure.This fact will furnish a specific view concerning the problem of comparison of the maximum point in the magnitude of the displacement in the situations of both figural after-effects and simultaneous illusions which had been discussed in the past. In addition, as one of the factors related to these phenomena, the effect of changes in the field accompanying the changes of stimulation quantity on displacement phenomena was measured.Finally, the theoretical values calculated by Yokose's formula were compared with the observed values obtained in our experiments and each tendency was found grossy to correspond.

著者

• 生田 博之

  名古屋大学

関連論文

• 645,646 大学入試における調査書の検討(第1報告)(19.生活指導・進路指導,日本教育心理学会第5回総会部門別研究発表要旨・討論の概要)
• 図形残効と同時錯視における変位効果の比較--時間的要因について-2-
• 図形残効と同時錯視に於ける変位効果の比較

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