Which of the following is not affected by a lesion in posterior column of spinal cord:: (A) Romberg's sign, (B) Temperature sense, (C) Vibration sense, (D) Ataxia
Answer is B. Answer is B (Temperature sense): Temperature sense is a feature of the spinothalamic tract and not the posterior column. Vibration & Joint position sense are transmitted the posterior column. Altered joint position sense may lead to Ataxia and a positive Romberg's sign.