<prompt> Parinaud syndrome is caused by damage toAnterior commisurePosterior commisureMedial commisureLateral commisure  <response>: Answer- B. Posterior commisureAlso known as dorsal midbrain syndrome, this is a distinct supranuclear veical gaze disorder caused by damage to the posterior commissure.Pineal region tumors, cysticercosis, and stroke also cause Parinauds syndrome. 