Answer
CTQ#6. The three ascending spinal columns are the dorsal column medial lemniscal pathway, the spinothalamic pathway, and he spinocerebellar pathway.The first two transmit sensory impulses by way of the thalamus to the sensory cortex for interpretation.
The dorsal medial lemniscal pathway carries the sensations for discriminative touch to the cerebral cortex to facilitate differentiation between the two objects.
Work Step by Step
The spinothalamic pathway transmits sensations of temperature, pain, coarse touch and pressure; the dorsal medial lemniscal pathway transmits stimuli for discriminative touch, vibrations, and conscious proprioception.
