A concurrently available nondrug reinforcer prevents the acquisition or decreases the maintenance of cocaine-reinforced behavior

@article{Carroll1989ACA,
  title={A concurrently available nondrug reinforcer prevents the acquisition or decreases the maintenance of cocaine-reinforced behavior},
  author={Marilyn Carroll and Sylvie T. Lac and Sheryl L. Nygaard},
  journal={Psychopharmacology},
  year={1989},
  volume={97},
  pages={23-29}
}
Lever-Pressing responses of 55 rats were reinforced with IV-delivered cocaine (0.2 mg/kg) or saline under conditions of continuous access for 15 24-h sessions. The rats also responded on tongue-operated drinking devices for deliveries of a 3% (w/v) glucose +0.125% (w/v) sacharin (G+S) solution or water. The effects of removing these substances on behavior maintained by G+S, water, cocaine, or saline were compared in 11 groups. Terminating cocaine access produced a decrease in G+S drinking and… CONTINUE READING