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The Impact Of D-Amphetamine On Resistance To Extinction (Rte) In A Single Schedule Preparation, Stephen Howard Robertson
The Impact Of D-Amphetamine On Resistance To Extinction (Rte) In A Single Schedule Preparation, Stephen Howard Robertson
Masters Theses, 2010-2019
Some researchers have suggested that the discrepancy in findings between studies of resistance-to-extinction that use single-schedules and those that use multiple-schedules is the result of increased discriminability between training and extinction conditions in the single-schedule preparation, masking the true relation between reinforcer density and resistance to extinction. Because d-amphetamine has been shown to interfere with stimulus control in a number of preparations, the current study examined the effects of d-amphetamine on rats’ lever-pressing in the context of a single-schedule resistance-to-extinction preparation. During training, doses of d-amphetamine or vehicle were administered 15 min prior to sessions in which the delivery of …