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Cognitive deficits have an important role in the neurodevelopment of schizophrenia and other psychotic disorders. However, there is a continuing debate as to whether cognitive impairments in the psychosis prodrome are stable predictors of eventual psychosis or undergo a decline due to the onset of psychosis. In the present study, to determine how cognition changes as illness emerges, we examined baseline...
Depressive symptoms are prevalent among individuals at clinical high-risk (CHR) for psychosis. Prior studies have used the Beck Depression Inventory (BDI), Hamilton Depression Rating Scale (HDRS), and the “dysphoric mood” item of the Scale of Prodromal Symptoms (SOPS) to assess depressive symptoms in CHR samples. We compared the psychometric properties of these instruments in a CHR cohort, to support...
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