<prompt> Isolated hypoglossal nerve injuries are rare. If there is unilateral injury to hypoglossal nerve, all of the clinical manifestations are seen, EXCEPT?Hemiatrophy of involved sideDetion of tongue towards the same sideLoss of taste sensation in one half of the tongueFasciculation of the tongue  <response>: In hypoglossal nerve lesions, there may be detion of the protruded tongue toward the weak side. Denervation of the tongue may be associated with wasting atrophy and twitching fasciculation.Taste sensations are carried by the chorda tympani branch of the facial nerve from anterior two third of tongue and glossopharyngeal nerve from posterior one third of tongue. 