title: Drug enhanced sensory contingent bar pressing: comparing the effect of contingent and noncontingent sensory change.
mesh_terms: D000654:Amobarbital / Q000494:pharmacology*; D000818:Animals; D003913:Dextroamphetamine / Q000494:pharmacology*; D004338:Drug Combinations; D005246:Feedback; D005260:Female; D008027:Light; D010919:Placebos; D051381:Rats; D011930:Reaction Time / Q000187:drug effects*; D013016:Sound
chemical_list: D004338:Drug Combinations; D010919:Placebos; D000654:Amobarbital; D003913:Dextroamphetamine