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Vertical–horizontal illusion : ウィキペディア英語版 | Vertical–horizontal illusion
The vertical–horizontal illusion is the tendency for observers to overestimate the length of a vertical line relative to a horizontal line of the same length. This involves a bisecting component that causes the bisecting line to appear longer than the line that is bisected. People often overestimate or underestimate the length of the bisecting line relative to the bisected line of the same length.〔de Montalembert, M., & Mamassian, P. (2010). The Vertical–Horizontal Illusion in Hemi-Spatial Neglect. Neuropsychologia, 48(11), 3245-3251. .〕 This even happens if people are aware that the lines are of the same length. Cross-cultural differences in susceptibility to the vertical–horizontal illusion have been noted. People from Western cultures and people living in urban landscapes show more susceptibility than those living in eastern or open landscapes.〔Shiraev, E., & Levy, D. (2007). ''Cross-Cultural Psychology, Third Edition''. Pearson Education, Inc., page 110〕 ==Types of vertical–horizontal illusions== There are several different configurations of the vertical–horizontal illusion. The three configurations which seem to produce the highest illusion magnitude are the L configuration, the plus (+) configuration, and the inverted-T configuration. Of these three, the inverted-T configuration produces the highest illusion magnitude. When the bisecting line of the T illusion is configured horizontally, the illusion magnitude is lowered. However, when the bisecting line of the T illusion is configured vertically, the illusion magnitude is higher.〔Wolfe, U., Maloney, L.T., & Tam, M. (2005). Distortions of perceived length in the frontoparallel plane: Tests of perspective theories. ''Perception & Psychophysics'', 67(6), 967-979.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Vertical–horizontal illusion」の詳細全文を読む
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