Drug effects on responding maintained by stimulus-reinforcer and response-reinforcer contingencies

Journal of the Experimental Analysis of Behavior
R D SpealmanJ M Witkin

Abstract

The effects of pentobarbital and d-amphetamine were assessed on key pecking by pigeons under conventional single-key multiple schedules and under two-key multiple schedules in which discriminative stimuli appeared on one key (stimulus key) while pecks on a second key (constant key) produced food. Pecks on the stimulus key had no scheduled consequences. A 60-second variable-interval schedule operated in one component of each multiple schedule: either extinction or a 60-second variable-time schedule operated in the alternate component. When the alternate-component schedule was extinction, a high rate of responding was maintained in the variable-interval component of the single-key schedule; responding on both keys was maintained in the variable-interval component of the two-key schedule. Pentobarbital increased responding in the variable-interval component of the single-key schedule and increased stimulus-key, but not constant-key responding in that component of the two-key schedule. When the alternate-component schedule was changed to variable time, responding declined in the variable-interval component of the single-key schedule; stimulus-key responding was no longer maintained under the two-key schedule. Pentobarbital decrease...Continue Reading

References

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Jul 1, 1976·Journal of the Experimental Analysis of Behavior·R D Spealman

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Citations

May 2, 2013·Journal of the Experimental Analysis of Behavior·Paul Romanowich, R J Lamb
Mar 1, 1982·Journal of the Experimental Analysis of Behavior·K G White
Mar 1, 1981·Journal of the Experimental Analysis of Behavior·B A Williams, N Heyneman
Jul 1, 1980·Journal of the Experimental Analysis of Behavior·A K Louie

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