Cranial Nerves and Levels of Brain Function
Cerebral hemispheres
Verbal Response
Purposeful Movement
- Brainstem
Reflex motor movements
decortication
decerebration
- Reticular activating system
Eye opening
- Midbrain CN III
Reactive pupils
- Pons CN V and VII
Corneal Reflex
- CN VIII, VI, III + MLF
Doll's eyes and ice water response
- Medulla
Breathing
Blood Pressure
C-2 - back of scalp
C-3 - ant. aspect of the neck
- Diaphram:
C-4 - lat. & inf. over clavicles down to 2nd rib
Original Text by Clifford R. Wheeless, III, MD.
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