GCG and type 2 diabetes mellitus: Herein, we assessed the impact of GLP-1 analogs on the general cognitive functioning among patients with T2DM.<h4>Methods</h4>Relevant studies were retrieved from PubMed, Embase, Cochrane Central Register of Controlled Trials (CENTRAL), and ClinicalTrials.gov databases from their inception till June 30, 2022, without any language restrictions.