<prompt> A patient has the ability to stand with open eyes but falls with closed eyes. A lesion of which pathway is likely responsible for this symptom?Anterior spinocerebellar tractAnterior spinothalamic tractLateral spinothalamic tractPosterior column syndrome  <response>: Posterior column syndromelesion in dorsal coloumn of spinal cord results in a sensory deficit known as sensory dystaxia or Romberg sign. Romberg ve when pt. are able to stand with the eyes open but fall with the eyes closed. 