Scientists did not invent the vast majority of visual illusions.

绝大多数视觉幻象并不是科学家创造出来的。

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Al Seckel takes great delight in visual illusions and the brain mechanics that they reveal.

Al Seckel对视觉幻象和人脑的表现机理有极大乐趣。

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Visual illusions affected the planning of action but did not affect the on-line control of action.

错觉影响计划阶段，但是不影响在线控制阶段。

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Artists, he says, rely on our proneness to visual illusions arising out of the fact that all perception involves unconscious inference, as when a two-dimensional retinal image is translated into a three-dimensional perception.

WSJ: Book Review: The Age of Insight

The company is renowned for its spectacular, 360-degree performances that take place above, aside and among the audience with acrobatic dance numbers, visual illusions, elaborate lighting and a live DJ mixing electronic, pop, percussion and tribal beats.

BBC: A spectacular homecoming for Argentine theatre

People are generally unfamiliar with the visual language thus perhaps this is why so-called optical illusions exist?

FORBES: A Flabbergasting Video Optical Illusion