Which disorder involves a loss of pain sensation on one side of the body coupled with the loss of proprioception, precise tactile localization, and vibratory sensations on the contralateral side of the body?: (A) Herpes zoster, (B) Thalamic pain syndrome, (C) Lateral medullary syndrome, (D) Brown-Sequard syndrome
Answer is D. The Brown-Sequard syndrome is characterized by the loss of pain sensation on one side of the body coupled with a loss of discriminative sensations, such as proprioception, vibratory sensation, stereognosis & motor loss on the opposite side of the body.