Marco Onofrj, Danilo Carrozzino, Aurelio D'Amico, Roberta Di Giacomo, Stefano Delli Pizzi, Astrid Thomas, Valeria Onofrj, John-Paul Taylor, Laura Bonanni
Psychosis in Parkinson's disease (PD) is currently considered as the occurrence of hallucinations and delusions. The historical meaning of the term psychosis was, however, broader, encompassing a disorganization of both consciousness and personality, including behavior abnormalities, such as impulsive overactivity and catatonia, in complete definitions by the International Classification of Diseases-10 (ICD-10) and the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition ( DSM-5 ). Our review is aimed at reminding that complex psychotic symptoms, including impulsive overactivity and somatoform disorders (the last being a recent controversial entity in PD), were carefully described in postencephalitic parkinsonism (PEP), many decades before dopaminergic treatment era, and are now described in other parkinsonisms than PD...
2017: Neuropsychiatric Disease and Treatment