<prompt> Singular nerve is aSuperior vestibular nerve supplying posterior semicircular canalInferior vestibular nerve supplying posterior semicircular canalSuperior vestibular nerve supplying anterior semicircular canalInterior vestibular nerve supplying anterior semicircular canal  <response>: A small subdivision of the vestibular nerve that carries information from the posterior semicircular canal to the brain. Singular neurectomy is a surgical procedure to divide the singular nerve, occasionally used in the treatment of benign paroxysmal positional veigo. Ref-Dhingraa textbook for ENT 6th edition. 