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Rat Park Experiment
Bruce Alexander's 1978 enriched-environment study demonstrating that rats in stimulating social habitats largely ignore available morphine—the paradigmatic evidence that addiction is environmental rather than pharmacological.
In 1978, psychologist Bruce Alexander at Simon Fraser University constructed Rat Park—a large, enriched enclosure with running wheels, tunnels, nesting materials, and social companions—to test whether the standard addiction paradigm (isolated rats compulsively self-administering morphine) was measuring drug properties or cage properties. Rats in Rat Park, given identical access to morphine-laced water, sampled it but largely ignored it, preferring plain water and social interaction. The experiment's radical implication—that the same substance produces different outcomes in different environments—became the empirical foundation for environmental models of addiction. Alexander's work converged with Lee Robins' Vietnam veteran studies to establish that addiction resolves when life circumstances provide what the addictive experience was supplying. Applied to AI's productive addiction, the paradigm reveals a structural inversion: the tool is the environmental enrichment, making traditional recovery frameworks paradoxical.
In The You On AI Field Guide
Alexander designed Rat Park explicitly to challenge the dominant neuropharmacological model of addiction, which treated compulsive drug-seeking as an inevitable consequence of drug exposure in vulnerable