title: [Nonmotor signs of Parkinson's disease].
abstract: The article reviews the literature on some nonmotor symptoms. Sections of the paper are devoted to depression, anxiety, apathy, cognitive dysfunction, psychotic signs, sleep disorders, pain, olfactory disorders.
authors.forename: Z D
authors.initials: ZD
authors.lastname: Tavadian
authors.forename: G O
authors.initials: GO
authors.lastname: Bakunts
mesh_terms: D001007:Anxiety / Q000175:diagnosis / Q000209:etiology; D003072:Cognition Disorders / Q000175:diagnosis / Q000209:etiology; D003863:Depression / Q000175:diagnosis / Q000209:etiology; D006801:Humans; D010300:Parkinson Disease / Q000150:complications / Q000175:diagnosis* / Q000523:psychology*; D011618:Psychotic Disorders / Q000175:diagnosis / Q000209:etiology; D012893:Sleep Wake Disorders / Q000175:diagnosis / Q000209:etiology