Effects of cocaine on briefly signaled versus completely signaled delays to reinforcement.

@article{Walker1996EffectsOC,
  title={Effects of cocaine on briefly signaled versus completely signaled delays to reinforcement.},
  author={Diana J. Walker and Marc N. Branch},
  journal={Journal of the experimental analysis of behavior},
  year={1996},
  volume={65 2},
  pages={375-88}
}
Key pecking by 4 pigeons was maintained by a multiple schedule consisting of two variable-interval 60-s schedules wherein each food presentation followed a nonresetting 27-s delay that was either briefly signaled at its outset or completely signaled. Brief-signal duration was adjusted so that response rates maintained by the briefly and completely signaled delays of reinforcement were similar. In general, acute administration of small to intermediate doses (0.3 to 3.0 mg/kg) of cocaine produced… CONTINUE READING

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