Studies on behavior.  II.  The effects of pentobarbital, methamphetamine and scopolamine on performances in pigeons involving discriminations.
D000661:Amphetamine / Q000031:analogs & derivatives; D000662:Amphetamines; D000818:Animals; D001463:Barbiturates / Q000494:pharmacology*; D010856:Columbidae; D006801:Humans; D007858:Learning; D008694:Methamphetamine; D010424:Pentobarbital; D012601:Scopolamine / Q000494:pharmacology*
D000662:Amphetamines; D001463:Barbiturates; D008694:Methamphetamine; D000661:Amphetamine; D012601:Scopolamine; D010424:Pentobarbital
AMPHETAMINE/derivatives; BARBITURATES/effects; LEARNING; SCOPOLAMINE/effects