The superior temporal gyrus (STG) is one of three (sometimes two) gyri in the temporal lobe of the human brain, which is located laterally to the head, situated somewhat above the external ear.Position of superior temporal gyrus (shown in red).Lateral view of a human brain, main gyri labeled.Drawing of a cast to illustrate the relations of the brain to the skull. (Superior temporal gyrus labeled at center, in green section.)Right temporal lobe (shown in green). Superior temporal gyrus is visible at the top of the green area. The superior temporal gyrus (STG) is one of three (sometimes two) gyri in the temporal lobe of the human brain, which is located laterally to the head, situated somewhat above the external ear.