title: [Changes in psychic performance due to a drug which influences the brain metabolism].
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D001921:Brain / Q000187:drug effects* / Q000378:metabolism*; D002986:Clinical Trials as Topic; D006801:Humans; D007360:Intelligence; D007361:Intelligence Tests; D008875:Middle Aged; D009539:Nicotinic Acids / Q000494:pharmacology*; D010919:Placebos; D014970:Xanthines / Q000494:pharmacology*
chemical_list: D009539:Nicotinic Acids; D010919:Placebos; D014970:Xanthines
vernacular_title: Veranderung psychischer Leistungen durch ein Pharmakon, das den Stoffwechsel im Gehirn beeinflusst.