摘要

<正>Objective To investigate the character and prevalence of cognitive impairment of patients with bipolar Ⅱdepression (BD-Ⅱ).Methods 124 patients diagnosed as bipolar Ⅱ depression according to the DSM-5 criteria and 124 demographically matched healthy subjects were recruited.Seven cognitive functions were assessed with the Measurement and Treatment Research to Improve Cognition in Schizophrenia (MATRICS) Consensus Cognitive Battery (MCCB) in all participants,including speed of processing (SOP),attention vigilance (AV),