The answer is frontal lobe. The frontal lobe is part of the cerebral cortex and is the largest of the structure of the brain. They are the main site of so called higher cognitive functions and contain a number of important substructures which includes the prefrontal cortex, orbitofrontal cortex, motor and premotor cortices and broca's area. These substructures are included in responsiveness and thought, voluntary actions, decision-making, and linguistic. The related purposes are executive procedures which is voluntary actions such as decision making, planning, problem-solving, and thinking, voluntary motor control, cognition, intelligence, attention, language dispensation and understanding, and many others.
