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The Patient
I - Smell
II - Vision
II & III - Pupils
III, IV & VI - Eye Movement
V - Facial Sensation & Jaw Muscles
V & VII - Glabellar & Corneal Reflexes
VII - Facial Movement
VIII - Hearing
IX & X - Throat
XI - Neck & Shoulders
XII - Tongue
Gates P. The rule of 4 of the brainstem: a simplified method for understanding brainstem anatomy and brainstem vascular syndromes for the non‐neurologist. Internal medicine journal. 2005 Apr;35(4):263-6.
Granick MS, Martuza RL, Ojemann RG, Parker SW, Montgomery WW. Cerebellopontine angle meningiomas: clinical manifestations and diagnosis. Annals of Otology, Rhinology & Laryngology. 1985 Jan;94(1):34-8.
Rodríguez-García PL, Rodríguez-Pupo L, Rodríguez-García D. Clinical techniques for use in neurological physical examinations. I. General organisation, cranial and peripheral spinal nerves. Rev Neurol. 2004 Oct; 39(8): 757-66. Link