title: INFLUENCE OF PSYCHOPHARMACOLOGICAL AGENTS ON CIRCADIAN RHYTHM IN THE CANARY STUDIED BY SELF SELECTION OF LIGHT AND DARKNESS.
mesh_terms: D000818:Animals; D001683:Biological Clocks; D001717:Birds; D002171:Canaries; D002940:Circadian Rhythm; D003624:Darkness; D006834:Hydrazines; D008027:Light; D010424:Pentobarbital; D010507:Periodicity; D010600:Pharmacology; D012106:Research; D012110:Reserpine
chemical_list: D006834:Hydrazines; C084776:pheniprazine; D012110:Reserpine; D010424:Pentobarbital
keywords: BIOLOGICAL CLOCKS; BIRDS; CIRCADIAN RHYTHM; DARKNESS; EXPERIMENTAL LAB STUDY; LIGHT; PENTOBARBITAL; PERIODICITY; PHARMACOLOGY; PHENIPRAZINE; RESERPINE