According to the opponent-process theory of color vision, staring at a red image for a minute will produce a __________ afterimage if one looks at a white surface next.

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The opponent-process theory suggests that colors are perceived in terms of opposing pairs: red-green, blue-yellow, and black-white. Staring at red fatigues the red photoreceptors, so when looking at a white surface, the opposite color, green, is perceived as an afterimage.

According to the Opponent-Process Theory of Color Vision, Staring at a Red