Illusory gray spots and diagonal lines on the Hermann grid

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概要

• 論文の詳細を見る

• The present study examines the causal relationship between the illusory gray spots in the so-called Hermann grid figure and the illusory lines connecting the spots diagonally. Eight university students participated as subjects in two experiments. In Experiment 1, the vividness of illusory lines and the darkness of gray spots were rated together. The stimulus variables were three folds; the number of the grid lines, the thickness of the grid lines and the size of every grid cells. The results showed the independence of the two ratings. The hypothesis of inter-inducing effect between the dots and the diagonal lines was concluded untenable. In Experiment 2, factors influencing the vividness of the diagonal lines were examined. The width-height ratio of the grid cells was found stronger in effect than the size. A mechanism sensitive to the stimulus configuration was suggested taking part in the diagonal illusion.

• 公益社団法人 日本心理学会の論文

著者

• 石口 彰

  東京大学

関連論文

• 点運動パターン知覚における補間メカニズムの検討(VII.第6回大会発表要旨)
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• 格子パターンの対角線錯視(研究発表 A-I,VII. 第4回大会プログラム及び発表要旨)
• Stroop課題における時間・空間的干渉(第2回研究発表会発表要旨)
• Illusory gray spots and diagonal lines on the Hermann grid

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