title: Therapeutic effects of low-level direct electrical currents.
mesh_terms: D001921:Brain; D004599:Electric Stimulation Therapy / Q000266:history; D004580:Electronarcosis; D004644:Emotions; D005120:Extraversion, Psychological; D006801:Humans; D007439:Introversion, Psychological; D007858:Learning; D001523:Mental Disorders / Q000628:therapy*; D012107:Research Design