Caloric test has:: (A) Slow component only, (B) Fast component only, (C) Slow + fast component, (D) Fast component occasionally
Answer is C. Caloric test is used to test vestibular function/labyrinthine function, So nystagmus induced by it is vestibular in origin. Vestibular nystagmus has both fast (of cerebral origin) and a slow component (of vestibular origin).