Final answer:
The cuneo-cerebellar tract functions to convey unconscious proprioceptive input from the upper extremities/trunk to the cerebellum, enabling it to coordinate movement by adjusting for any discrepancies between intended motion and actual position.
Step-by-step explanation:
The function of the cuneo-cerebellar tract is to carry unconscious proprioceptive input from the upper extremities and trunk. This unconscious proprioceptive information is essential for the cerebellum to make adjustments and coordinate movements. When the cerebellum receives conflicting information between the motor commands sent by the cerebrum and the actual body position as informed by the proprioceptors, it issues corrective commands to address any discrepancies, ensuring fluid and coordinated movement.