期刊
SCHIZOPHRENIA RESEARCH
卷 164, 期 1-3, 页码 65-73出版社
ELSEVIER
DOI: 10.1016/j.schres.2015.02.022
关键词
Schizophrenia spectrum disorders; First episode psychosis; Premorbid adjustment; Cognition
类别
资金
- Ministerio de Economia y Competitividad [PI08/0208, 08/I/1026, 11/02831, PI08/1161]
- Instituto de Salud Carlos III- Fondo Europeo de Desarrollo Regional. Union Europea
Background: The extent to which socio-demographic, clinical, and premorbid adjustment variables contribute to cognitive deficits in first-episode schizophrenia spectrum disorders remains to be ascertained. Aims: To examine the pattern and magnitude of cognitive impairment in first-episode psychosis patients, the profile of impairment across psychosis subtypes and the associations with premorbid adjustment. Methods: 226 first-episode psychosis patients and 225 healthy controls were assessed in the PEPsCog study, as part of the PEPs study. Results: Patients showed slight to moderate cognitive impairment, verbal memory being the domain most impaired compared to controls. Broad affective spectrum patients had better premorbid IQ and outperformed the schizophrenia and other psychosis groups in executive function, and had better global cognitive function than the schizophrenia group. Adolescent premorbid adjustment together with age, gender, parental socio-economic status, and mean daily antipsychotic doses were the factors that best explained patients' cognitive performance. General and adolescent premorbid adjustment, age and parental socio-economic status were the best predictors of cognitive performance in controls. Conclusions: Poorer premorbid adjustment together with socio-demographic factors and higher daily antipsychotic doses were related to a generalized cognitive impairment and to a lower premorbid intellectual reserve, suggesting that neurodevelopmental impairment was present before illness onset. (C) 2015 Elsevier B.V. All rights reserved.
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