Helmholtz Versus Haute Couture: How Horizontal Stripes and Dark Clothes Make You Look Thinner.
Helmholtz Versus Haute Couture: How Horizontal Stripes and Dark Clothes Make You Look Thinner.
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DOI:
10.1177/03010066211038158
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发表时间:
2021-09
期刊:
影响因子:
1.7
通讯作者:
van der Burg E
中科院分区:
文献类型:
--
作者:
Koutsoumpis A;Economou E;van der Burg E
In Helmholtz’s illusion, a square with horizontal stripes appears taller than an identical square with vertical stripes. This effect has also been observed in experiments with human stimuli, where a human figure wearing a dress with horizontal stripes appears thinner than a drawing clad in vertical stripes. These findings do not agree with the common belief that clothes with horizontal stripes make someone appear wider, neither do they disentangle whether the horizontal or vertical stripes account for the thinning effect. In the present study, we focused on the effect of horizontal stripes in clothes comparing horizontal stripes against no-stripes (not against vertical; Experiments 1 and 2), using photos of a real-life female model, and controlling for the average luminance of the stripes (Experiment 2). Results showed that horizontal stripes and lower luminance have—independently—a small-to-moderate thinning effect on the perceived size of the body, and the effect is larger when the two variables are combined. In Experiment 3, we further show that the thinning effect due to the luminance of the dress is enhanced when the general background gets darker.
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