Cognitive deficits in bipolar disorder are significant enough to impact everyday functioning. A key question for treatments aimed at cognition is which cognitive domains are most affected by bipolar disorder and which cognitive tests have the best psychometric characteristics for this population.
Keefe RS, Fox KH, Davis VG, Kennel C, Walker TM, Burdick KE, Harvey PD. The Brief Assessment of Cognition In Affective Disorders (BAC-A): performance of patients with bipolar depression and healthy controls. Journal of Psychiatric Research, 2014 Sep;166:86-92. doi: 10.1016/j.jad.2014.05.002 (PMID:25012414).