title: [Study of electroencephalographic changes caused by mental exertion and reaction to affective verbal stimuli in the aged and possibilities of improvement by biotrophic substances].
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging; D004569:Electroencephalography; D004644:Emotions; D006801:Humans; D005222:Mental Fatigue; D008606:Mental Processes; D008875:Middle Aged; D011343:Procaine / Q000494:pharmacology*; D011581:Psychological Tests
chemical_list: D011343:Procaine
vernacular_title: Studiul modificărilor electroencefalografice sub influenţa efortului psihic şi a reacţiei la stimuli verbali afectivi la virstnici şi posibilităţile de ameliorare prin substanţe biotrofice.