<prompt> Which of the following is not affected by a lesion in posterior column of spinal cord:Rombergs signTemperature senseVibration senseAtaxia  <response>: 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 Rombergs sign. 