Differentiating benzodiazepine- and barbiturate-like discriminative stimulus effects of lorazepam, diazepam, pentobarbital, imidazenil and zaleplon in two- versus three-lever procedures
The discriminative stimulus effects of morphine in pigeons responding under a progressive ratio schedule of food presentation
Blockade of the serotonergic system counteracts the dizocilpine-induced changes in dopaminergic function
Effects of N -methyl-d-aspartate receptor antagonists on reinstatement of cocaine-seeking behavior by priming injections of cocaine or exposures to cocaine-associated cues in rats
Specificity of effects of chronically administered diazepam on the responding of rats under two different spaced-responding schedules
Intrahippocampal spermidine administration improves inhibitory avoidance performance in rats
Sex differences in the acute effects of cigarette smoking on the reinforcing value of alcohol
Nicotine gum as a substitute for cigarettes: a behavioral economic analysis
Δ9-THC training dose as a determinant for (R)-methanandamide generalization in rats: a systematic replication
Alternative reinforcers differentially modify cocaine self-administration by humans
Acquisition deficit and time-dependent retrograde amnesia for contextual fear conditioning in agmatine-treated rats