Based on the principle that color vision operates through opposing pairs (such as red-green and blue-yellow), explain the visual experience described in the scenario below.

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The opponent-process theory has two key implications for color perception. First, because certain colors inhibit each other within the same neural channel, we cannot perceive impossible color combinations like 'greenish-red' or 'yellowish-blue'. Second, this opponent processing mechanism is responsible for the phenomenon of negative afterimages.

Implications of Opponent-Process Theory

An afterimage is a visual sensation that persists after the original stimulus has been removed. A common example is seeing a spot of light after briefly looking at the sun and then turning away. When the stimulus involves color, the opponent-process theory explains the occurrence of a negative afterimage, where one perceives the opposing color from the pair (e.g., seeing green after staring at red).

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