Neurocognitive performance as an endophenotype for mood disorder subgroups.

•Community-based family study examining neurocognition across mood disorder subgroups.•No differences in performance speed in any of the domains assessed.•Greater accuracy of complex cognition for BP-I vs. those without mood disorders (visuospatial).•Familial association for accuracy in the complex cognition domain (visuospatial).•Visuospatial ability may comprise a potential endophenotype for bipolar disorder.