McCollough effect

A second induction image for the McCollough effect. Stare at the center of this image for a few seconds, then at the center of the image above for a few seconds. Then return to this image. Keep looking between the two colored images for at least three minutes.

The McCollough effect is a phenomenon of human visual pe****tion in which colorless gratings appear colored contingent on the orientation of the gratings. It is an aftereffect requiring a period of induction to produce it. For example, if someone alternately looks at a red horizontal grating and a green vertical grating for a few minutes, a black-and-white horizontal grating will then look greenish and a black-and-white vertical grating will then look pinkish. The effect is remarkable for often lasting an hour or more.

单词	McCollough effect
释义	McCollough effect 英语百科 McCollough effect The McCollough effect is a phenomenon of human visual pe****tion in which colorless gratings appear colored contingent on the orientation of the gratings. It is an aftereffect requiring a period of induction to produce it. For example, if someone alternately looks at a red horizontal grating and a green vertical grating for a few minutes, a black-and-white horizontal grating will then look greenish and a black-and-white vertical grating will then look pinkish. The effect is remarkable for often lasting an hour or more.
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