Abstract
Cognitive functioning has been found to be a predictor of functional outcome of schizophrenia. It is unclear, however, whether clinical recovery can be predicted by scores on specific cognitive domains. The predictive value of specific neurocognitive domains and other clinical variables for symptomatic and functional outcome and clinical recovery after a 2-year follow-up is explored in a group of 51 patients with non-affective first-episode psychosis. A comprehensive neurocognitive battery was administered 18 and 41weeks after inclusion. Other patient characteristics, which were expected to independently predict clinical recovery, were assessed at baseline. Several neurocognitive tests, especially tests measuring speed of processing, and among others, Duration of Untreated Psychosis (DUP), were significant predictors of clinical recovery. Poor neuropsychological performance accurately predicted non-recovery, but improved neuropsychological performance did not accurately predict recovery. This study confirms previous findings of an association between neurocognition and outcome, but the results also suggest that in order to accurately predict recovery, the role of other factors needs to be investigated.
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