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Müller-Lyer Illusion

Müller-Lyer Illusion. What is Müller-Lyer Illusion?.

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Müller-Lyer Illusion

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  1. Müller-Lyer Illusion

  2. What is Müller-Lyer Illusion? The Müller-Lyer illusion is an optical illusion consisting of a stylized arrow. When viewers are asked to place a mark on the figure at the midpoint, they invariably place it more towards the "tail" end. It was devised by Franz Carl Müller-Lyer (1857 – 1916), a German Sociologist, in 1889.[1][2][3] A variation of the same illusion (and the most common form in which it is seen today, see figure) consists of a set of arrow-like figures. Straight line segments of equal length comprise the "shafts" of the arrows, while shorter line segments (called the fins) protrude from the ends of the shaft. The fins can point inwards to form an arrow "head" or outwards to form an arrow "tail". The line segment forming the shaft of the arrow with two tails is perceived to be longer than that forming the shaft of the arrow with two heads.

  3. 원 사이에 그려진 직선인사각형의 선이 휘어져 보인다

  4. 세 개의 기둥의 길이는같다.그러나 뒤의 기둥이 길어 보인다

  5. Doctor Richard Gregory이 카페의 벽을 바라보다 발견한 착시 현상이다. 진한색과 엷은 색의 벽돌이 어긋나게 배치되었을 때  평행인 벽돌이 구부러져 보인다. (Cafe Wall Illusion)

  6. 두개의 평행 수직선이 뒷배경의 선들에 의해 휘어진 듯 보인다.(Hering Illusion)

  7. 아래 그림이 무엇으로 보이나요?

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