Effects of chlordiazepoxide and cocaine on concurrent food and avoidance-of-timeout schedules.

@article{Haaren1994EffectsOC,
  title={Effects of chlordiazepoxide and cocaine on concurrent food and avoidance-of-timeout schedules.},
  author={F. van Haaren and Troy J. Zarcone},
  journal={Journal of the experimental analysis of behavior},
  year={1994},
  volume={61 3},
  pages={
          479-86
        }
}
Five rats were trained on a concurrent schedule in which responses on one lever produced a food pellet on a random-interval 30-s schedule during 10 s of food availability associated with distinctive exteroceptive stimuli. Responses on another lever postponed for 20 s the presentation of a 50-s timeout, during which all stimuli were extinguished and the schedule contingencies on the food lever were suspended. The response rates maintained by the random-interval schedule exceeded those maintained… CONTINUE READING

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