In 1935, Muzafer Sherif conducted what would become one of the most quietly astonishing experiments in the history of social psychology. He placed participants alone in a completely dark room, presented them with a single stationary point of light, and asked a simple question: How much does the light move? The correct answer was “not at all.” Yet nearly every participant reported motion – sometimes slight, sometimes sweeping – confidently describing a drifting or floating light that, in reality, never budged. Sherif’s discovery, called the autokinetic effect, revealed something remarkable about the human mind. In the absence of clear visual anchors, the brain creates movement. We see motion even where none exists.

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