“…Most studies investigating the cognitive impact of alcohol in schizophrenia patients with comorbid AUD revealed a negative association between alcohol use and cognitive function [ 6 , 7 , 43 , 44 , 45 , 46 ]. On the contrary, some studies have suggested that AUD has no additive effects on cognitive impairment in schizophrenia patients [ 47 , 48 , 49 ] or has positive associations with social cognition [ 50 , 51 , 52 , 53 ], task-making, and the speed processing domains [ 54 ].…”