| Literature DB >> 14176274 |
Abstract
Rats were reinforced with water for every bar-press and concurrently punished for every 10th or 20th bar-press. Punishment produced an initial suppression of responding followed by recovery. A slight change in the method of delivering punishment eventually led to a high response rate just after punishment, a low response rate just before punishment, and frequent intermediate pauses. The results are interpreted as showing that punishment became a safe signal and that the high rate of responding it released came to act as a conditioned aversive stimulus. The effects of amphetamine were consistent with this interpretation. Alcohol had the paradoxical effect of increasing pauses and depressing the low rate before punishment.Entities:
Keywords: ALCOHOL, ETHYL; AMPHETAMINE; ELECTRIC STIMULATION; ELECTRICITY; EXPERIMENTAL LAB STUDY; PSYCHOPHARMACOLOGY; PUNISHMENT; RATS; REINFORCEMENT (PSYCHOLOGY)
Mesh:
Substances:
Year: 1964 PMID: 14176274 PMCID: PMC1404262 DOI: 10.1901/jeab.1964.7-293
Source DB: PubMed Journal: J Exp Anal Behav ISSN: 0022-5002 Impact factor: 2.468