Final answer:
Proprioception is the sense of position and movement of the body. Unconscious proprioception involves the transmission of proprioceptive and kinesthetic signals from the spinal cord to the medulla, which are then carried to the thalamus. Conscious proprioception, on the other hand, is a result of an ascending pathway from the thalamus that processes the signals and leads to conscious perception of body position and movement.
Step-by-step explanation:
Proprioception is the sense of position and movement of the body. It involves proprioceptive and kinesthetic signals that travel through myelinated afferent neurons from the spinal cord to the medulla. These signals are then carried to the thalamus. On the other hand, conscious proprioception involves an ascending pathway from the thalamus that processes the signals and leads to the conscious perception of body position and movement.