Schizophrenia in the Elderly: Robustness of the Research Literature

The American psychiatric community has historically ignored the presence of schizophrenia in older adults, especially the elderly, because many researchers and clinicians had attributed the etiology of the disease to organic causes such as dementia (Howard, Rabins, Seeman, & Jeste, 2000). A substantial body of European studies, however, have revealed that a small percentage of schizophrenia patients experience their first symptoms of psychosis after the age of 60 independent of organic causes. The lack of progress in this area has been attributed to the nomenclature assigned to the different schizophrenia age groups, which remains confusing, with some research groups designating first diagnoses after the age of 40 as late-onset, while others set the age boundary at 55 or 60-years of age. The naming of the disease has also been confusing, with early researchers, such as Kraepelin in 1919, calling the condition...
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