title: Positive and negative symptoms in psychiatry.
mesh_terms: D001921:Brain / Q000503:physiopathology; D004827:Epilepsy / Q000503:physiopathology; D006801:Humans; D008032:Limbic System / Q000503:physiopathology; D011570:Psychiatry; D012559:Schizophrenia / Q000503:physiopathology; D009626:Terminology as Topic