The Motor Cortex - Speed, Power and Coordinated Combinations. The proper function of each level of the motor cortex control hierarchy relies on sensory information so heavily that the motor system of the brain might properly by considered a sensorimotor system. At the highest level, sensory information generates a mental image of the body and its relationship to the environment. At the middle level, tactical decisions are based on the memory of sensory information from past movements. At the low