Sclerosis Illustration - Cranial Nerve

Cranial Nerve

Smell, Vision, Taste

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Cranial nerve disease is impaired functioning of one of the twelve cranial nerves. Each cranial nerve controls functions like smell, vision, and balance. Disorders include trigeminal neuralgia, acoustic neuroma, hemifacial spasm, facial nerve disorder, and intractable vertigo.

The 12 Cranial Nerves

  • Olfactory: Smell
  • Optic: Transmit visual information to the brain
  • Oculomotor: Eye movement
  • Trochlear: Lateral eye tracking
  • Trigeminal: Facial sensation
  • Abducens: Lateral eye tracking
  • Facial: Facial expressions
  • Vestibulocochlear (Acoustic): Hearing and Balance
  • Glossopharyngeal: Taste and Swallowing
  • Vagus: Gag reflex
  • Accessory: Neck muscle control, gag reflex
  • Hypoglossal: Tongue movement and Swallowing
Foothills Neurology