QUESTION Which of the following is not an aspect of cerebellar processing? ANSWER The cerebellar cortex calculates the best way to coordinate the force, direction, and extent of muscle contraction. While the motor cortex says move, the cerrebellum needs to calculate the effect of that movement of posture and must ensure a smooth coordinated movement. The cerebellum receives information from properioceptors throughout the body. The motor areas of the cerebellum, via relay nuclei in the brain stem, notidy the cerebral cortex of their intent to initiate voluntary mascle contractions.