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'''Rat Park''' was a series of studies into [[drug addiction]] conducted in the late 1970s and published in 1980 by Canadian psychologist [[Bruce K. Alexander]] and his colleagues at [[Simon Fraser University]] in British Columbia, Canada.

==Background==
Rat Park was a radical departure from conventional research into drug addiction. Prior to Rat Park, most studies were conducted using isolated animals in small cages, with little to no social interaction or stimulation. This environment is referred to as the "Skinner Box" or the "Operant Conditioning Chamber". Alexander hypothesized that the high rates of drug addiction observed in these studies were not solely due to the addictive properties of the drugs themselves, but also to the stressful and isolating conditions of the experimental environment.

==The Experiment==
In contrast to the small, isolated cages used in previous studies, Rat Park was a large, enriched environment measuring 200 times the floor area of a standard laboratory cage. It was populated with 16-20 rats of both sexes, who had access to a variety of stimulating objects and activities. The rats in Rat Park were given a choice between a morphine solution and plain water. They consumed less morphine than the isolated rats, suggesting that the enriched environment of Rat Park reduced their desire for the drug.

==Implications==
The Rat Park experiments challenged the prevailing [[disease model of addiction]], suggesting that drug addiction is not solely a result of the addictive properties of the drug, but also of the environment in which it is used. This has significant implications for the treatment of drug addiction, suggesting that improving the living conditions of addicts may be as important as treating the addiction itself.

==Criticism and Controversy==
Despite the significance of the Rat Park studies, they have been criticized on methodological grounds. Some critics argue that the results are not applicable to humans, while others suggest that the rats in Rat Park may have consumed less morphine simply because they had more distractions, not because they were less addicted.

==Legacy==
Despite the controversy, the Rat Park studies have had a lasting impact on the field of addiction research. They have inspired a shift towards a more holistic understanding of addiction, one that takes into account not just the properties of the drug, but also the social and environmental factors that contribute to its use.

[[Category:Psychology experiments]]
[[Category:Addiction]]
[[Category:Animal testing]]
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Rat Park - Revision history

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