Thursday, August 9, 2012

Imej ilusi optik

Adakah anda pernah dengar tentang ilusi optik (optical illusion)? Kalau tak pernah tengok, haaa ni salah satu contoh ilusi optik.

Perhatikan titik-titik di atas, sebenarnya titik-titik ni duk statik je.

Apa yang korang nampak kat gambar ni? Itik? Ke arnab?

Optical Illusion definition (wikipedia):

"An optical illusion (also called a visual illusion) is characterized by visually perceived images that differ from objective reality. The information gathered by the eye is processed in the brain to give a perception that does not tally with a physical measurement of the stimulus source. There are three main types: literal optical illusions that create images that are different from the objects that make them, physiological ones that are the effects on the eyes and brain of excessive stimulation of a specific type (brightness, colour, size, position, tilt, movement), and cognitive illusions, the result of unconscious inferences."

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