Frontal lobe Function. Each of the different regions of the frontal lobe regulates a specific function in the body. The intricate functions of the frontal lobe are ever difficult to fathom. Indeed, this specific portion of the brain is a powerful one because of its both motor and sensory functions.ach lobe is responsible for a specific function. For instance, the frontal lobe’s primary functions may have something to do with movement and cognition. This is also believed to be involved in higher cognitive functions which concern your behavior and as well as emotions.