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Cognitive functioning in subjects with recent-onset psychosis from a low-middle-income environment: multiple-domain deficits and longitudinal evaluation.

Abstract：

:Cognitive deficits are a key feature of recent-onset psychosis, but there is no consensus on whether such deficits are generalized or confined to specific domains. Besides, it is unclear whether cognitive deficits: a) are found in psychotic patients in samples from outside high-income countries; and b) whether they progress uniformly over time in schizophrenia and affective psychoses. We applied 12 tests organized into eight cognitive domains, comparing psychosis patients (n = 56, time from initial contact = 677.95+/-183.27 days) versus healthy controls (n=70) recruited from the same area of São Paulo, Brazil. Longitudinal comparisons (digit span and verbal fluency) were conducted between a previous assessment of the subjects carried out at their psychosis onset, and the current follow-up evaluation. Psychosis patients differed significantly from controls on five domains, most prominently on verbal memory. Cognitive deficits remained detectable in separate comparisons of the schizophrenia subgroup and, to a lesser extent, the affective psychosis subjects against controls. Longitudinal comparisons indicated significant improvement in schizophrenia, affective psychoses, and control subjects, with no significant group-by-time interactions. Our results reinforce the view that there are generalized cognitive deficits in association with recent-onset psychoses, particularly of non-affective nature, which persist over time.

journal_name

Psychiatry Res

journal_title

Psychiatry research

authors

de Mello Ayres A,Scazufca M,Menezes PR,Nakano EY,Regina AC,Schaufelberger MS,Murray RM,McGuire PK,Rushe T,Busatto GF

doi

10.1016/j.psychres.2009.11.001

subject

Has Abstract

pub_date

2010-09-30 00:00:00

pages

157-64

issue

2

eissn

0165-1781

issn

1872-7123

pii

S0165-1781(09)00415-6

journal_volume

179

pub_type

杂志文章

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