Persistent cognitive dysfunctions in bipolar I disorder and schizophrenic patients: a 3-year follow-up study.


BACKGROUND Neurocognitive impairment has consistently been considered a central and stable feature in schizophrenia. As this possibility has been far less studied in bipolar disorder, we aimed to prospectively investigate the stability and specificity of cognitive performance in bipolar disorder compared to schizophrenia. METHODS Fifteen DSM-IV bipolar… (More)