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  1. The cell bodies of the neurons supplying the cristae and maculas on each side located in the vestibular ganglion. Each vestibular nerve terminates in the
  • Ipsilateral 4- part vestibular nucleus and in the
  • Flocculonodular lobe of the cerebellum.
  1. The 2nd order neurons from the vestibular nuclei
  • Pass down the spinal cord in the vestibulo spinal tracts (concerned primarily with postural adjustments)
  • Ascend through the medial longitudinal fasciculi to the motor nuclei of the cranial nerves concerned with control of eye movements viz 3rd, 4th and 6th cranial nerves (largely concerned with eye movements)

Nystagmus – It is actually reflex; it helps in visual fixation. It has a slow component (labyrinth) and a quick component (brain stem) the direction of nystagmus is given by the quick component.

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