title: Hypothalamic dysfunction in periodic catatonia.
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002389:Catatonia / Q000503:physiopathology*; D005500:Follow-Up Studies; D006801:Humans; D007031:Hypothalamus / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D010507:Periodicity