title: Barbiturate effects on nonreward are time dependent.
mesh_terms: D000654:Amobarbital / Q000008:administration & dosage / Q000494:pharmacology*; D000818:Animals; D003216:Conditioning, Operant / Q000187:drug effects*; D003463:Cues; D004305:Dose-Response Relationship, Drug; D008297:Male; D008568:Memory / Q000187:drug effects; D051381:Rats; D012055:Reinforcement Schedule; D012201:Reward; D013997:Time Factors
chemical_list: D000654:Amobarbital