<prompt> Joint position sense in the left lower limb is impaired in all exceptLeft dorsal column lesion in the thoracic regionLeft cerebellar lesionLeft thalamic lesionRight lenticulostriate artery thrombosis  <response>: C Left thalamic lesion Harrison17 - 155; Harrison18 - 187,189,190; Harrison16 - 143 ASCENDING TRACTS carrying sensory information from peripheral receptors to the cerebral cortex, a Dorsal-column pathway mediating touch, vibratory sense, and proprioception, b Ventrolateral spinothalamic tract mediating pain and temperature. 