<prompt> Answer this question truthfullyIn what direction does the 2nd-order neuron of the dorsal column-medial lemniscal tract ascend within the medial lemniscus brainstem and above?  <response>: <reason> The 2nd-order neuron of the dorsal column-medial lemniscal tract ascends contra-laterally in the medial lemniscus brainstem and above. 