2. Instead, when spontaneous nystagmus is present, the direction will be examined: multidirectional nystagmus, such as bidirectional gaze-evoked nystagmus (ie, right beating nystagmus present with gaze toward the right and left beating nystagmus present with gaze toward the left side), and a vertical (up or down beating) nystagmus will be considered signs of central vertigo (Video 3).