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Psychopharmacology (Berl). 1977 Aug 16;53(3):223-6.

Alcohol-associated conditioned reinforcement.


Research was conducted to examine the ability of alcohol to impart conditioned reinforcement. Rats were allowed to self-administer solutions of either saline or alcohol (25, 50, and 100 mg/kg/infusion) by the intragastric route. Superimposed on the infusion interval was a buzzer (conditioned reinforcing stimulus). Tests during extinction revealed that conditioned reinforcement had been acquired. Results also indicated that as the paired unit dose was increased, potency of the conditioned reinforcer increased. In a second study, the lever-pressing response, which produced saline infusion and the buzzer, became available only subsequent to 5 sessions of pairing the buzzer with infusions of saline or alcohol. The results indicated that lever pressing increased with increasing unit dosage of alcohol infusions in prior pairings.

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